./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i --full-output --preprocessor.use.memory.slicer true --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fba957c5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6150b3a515973ce4119efed812e463608b94129eea9915abf4784f091ce6f187 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-fba957c-m [2023-11-23 10:08:51,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 10:08:51,115 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 10:08:51,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 10:08:51,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 10:08:51,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 10:08:51,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 10:08:51,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 10:08:51,161 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 10:08:51,162 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 10:08:51,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 10:08:51,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 10:08:51,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 10:08:51,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 10:08:51,168 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 10:08:51,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 10:08:51,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 10:08:51,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 10:08:51,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 10:08:51,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 10:08:51,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 10:08:51,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 10:08:51,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 10:08:51,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 10:08:51,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 10:08:51,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 10:08:51,183 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 10:08:51,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 10:08:51,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:08:51,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 10:08:51,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 10:08:51,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 10:08:51,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 10:08:51,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 10:08:51,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 10:08:51,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 10:08:51,186 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 10:08:51,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 10:08:51,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 10:08:51,187 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6150b3a515973ce4119efed812e463608b94129eea9915abf4784f091ce6f187 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-23 10:08:51,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 10:08:51,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 10:08:51,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 10:08:51,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 10:08:51,432 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 10:08:51,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 10:08:52,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 10:08:53,114 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 10:08:53,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 10:08:53,153 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c5306fa/e3a1e09f83b74327a62fcbb0c2971b6a/FLAG5267ba8f7 [2023-11-23 10:08:53,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6c5306fa/e3a1e09f83b74327a62fcbb0c2971b6a [2023-11-23 10:08:53,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 10:08:53,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 10:08:53,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 10:08:53,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 10:08:53,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 10:08:53,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:08:53" (1/1) ... [2023-11-23 10:08:53,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404fe920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:53, skipping insertion in model container [2023-11-23 10:08:53,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:08:53" (1/1) ... [2023-11-23 10:08:53,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 10:08:54,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[238462,238475] [2023-11-23 10:08:54,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:08:54,911 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 10:08:55,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [4032] [2023-11-23 10:08:55,165 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i[238462,238475] [2023-11-23 10:08:55,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 10:08:55,240 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 10:08:55,247 INFO L206 MainTranslator]: Completed translation [2023-11-23 10:08:55,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55 WrapperNode [2023-11-23 10:08:55,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 10:08:55,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 10:08:55,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 10:08:55,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 10:08:55,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:55,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:55,504 INFO L138 Inliner]: procedures = 258, calls = 1853, calls flagged for inlining = 104, calls inlined = 100, statements flattened = 5311 [2023-11-23 10:08:55,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 10:08:55,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 10:08:55,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 10:08:55,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 10:08:55,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:55,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:55,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:56,010 INFO L175 MemorySlicer]: Split 1093 memory accesses to 25 slices as follows [948, 16, 7, 6, 6, 5, 5, 2, 6, 6, 7, 5, 2, 3, 3, 2, 0, 7, 41, 2, 5, 2, 0, 7, 0]. 87 percent of accesses are in the largest equivalence class. The 173 initializations are split as follows [61, 16, 0, 6, 6, 5, 5, 0, 6, 6, 0, 5, 2, 0, 0, 0, 0, 7, 41, 0, 0, 0, 0, 7, 0]. The 379 writes are split as follows [366, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0]. [2023-11-23 10:08:56,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:56,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:56,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:56,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:56,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:56,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:56,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 10:08:56,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 10:08:56,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 10:08:56,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 10:08:56,233 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (1/1) ... [2023-11-23 10:08:56,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 10:08:56,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:08:56,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 10:08:56,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 10:08:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 10:08:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 10:08:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2023-11-23 10:08:56,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2023-11-23 10:08:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-23 10:08:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-23 10:08:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-23 10:08:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-23 10:08:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-23 10:08:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-23 10:08:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-23 10:08:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-23 10:08:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-23 10:08:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-23 10:08:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-23 10:08:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-23 10:08:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-23 10:08:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-23 10:08:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-23 10:08:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-23 10:08:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-23 10:08:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-23 10:08:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-23 10:08:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-23 10:08:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-23 10:08:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-23 10:08:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-23 10:08:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-23 10:08:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2023-11-23 10:08:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-23 10:08:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-23 10:08:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-23 10:08:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-23 10:08:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-23 10:08:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-23 10:08:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-23 10:08:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-23 10:08:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-23 10:08:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-23 10:08:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-23 10:08:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-23 10:08:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-23 10:08:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-23 10:08:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-23 10:08:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-23 10:08:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-23 10:08:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-23 10:08:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-23 10:08:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-23 10:08:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-23 10:08:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-23 10:08:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-23 10:08:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-23 10:08:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2023-11-23 10:08:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 10:08:56,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 10:08:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 10:08:56,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 10:08:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_delete [2023-11-23 10:08:56,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_delete [2023-11-23 10:08:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_wait [2023-11-23 10:08:56,384 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_wait [2023-11-23 10:08:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_usb_bulk_msg [2023-11-23 10:08:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_usb_bulk_msg [2023-11-23 10:08:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2023-11-23 10:08:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2023-11-23 10:08:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-23 10:08:56,385 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-11-23 10:08:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 10:08:56,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 10:08:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2023-11-23 10:08:56,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2023-11-23 10:08:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-23 10:08:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-23 10:08:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_signal_sdio_irq [2023-11-23 10:08:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_signal_sdio_irq [2023-11-23 10:08:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_50 [2023-11-23 10:08:56,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_50 [2023-11-23 10:08:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 10:08:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 10:08:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 10:08:56,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 10:08:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-23 10:08:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-23 10:08:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-23 10:08:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-23 10:08:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-23 10:08:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-23 10:08:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-23 10:08:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-23 10:08:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-23 10:08:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-23 10:08:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-23 10:08:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-23 10:08:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-23 10:08:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-23 10:08:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-23 10:08:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-23 10:08:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2023-11-23 10:08:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2023-11-23 10:08:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2023-11-23 10:08:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2023-11-23 10:08:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2023-11-23 10:08:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2023-11-23 10:08:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2023-11-23 10:08:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2023-11-23 10:08:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#24 [2023-11-23 10:08:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-23 10:08:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-23 10:08:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-23 10:08:56,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-23 10:08:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-23 10:08:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-23 10:08:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-23 10:08:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-23 10:08:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-23 10:08:56,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-23 10:08:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-23 10:08:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-23 10:08:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-23 10:08:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-23 10:08:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-23 10:08:56,394 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-23 10:08:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2023-11-23 10:08:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2023-11-23 10:08:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2023-11-23 10:08:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2023-11-23 10:08:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2023-11-23 10:08:56,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2023-11-23 10:08:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2023-11-23 10:08:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2023-11-23 10:08:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#24 [2023-11-23 10:08:56,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 10:08:56,396 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 10:08:56,396 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_detect_change [2023-11-23 10:08:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_detect_change [2023-11-23 10:08:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 10:08:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 10:08:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_cancel [2023-11-23 10:08:56,397 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_cancel [2023-11-23 10:08:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 10:08:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-23 10:08:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure usb_sg_init [2023-11-23 10:08:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_sg_init [2023-11-23 10:08:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2023-11-23 10:08:56,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2023-11-23 10:08:56,399 INFO L130 BoogieDeclarations]: Found specification of procedure __command_read_data [2023-11-23 10:08:56,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_read_data [2023-11-23 10:08:56,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 10:08:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_27 [2023-11-23 10:08:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_27 [2023-11-23 10:08:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 10:08:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 10:08:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2023-11-23 10:08:56,403 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2023-11-23 10:08:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 10:08:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 10:08:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 10:08:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 10:08:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 10:08:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 10:08:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 10:08:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 10:08:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-23 10:08:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-23 10:08:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-23 10:08:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-23 10:08:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-23 10:08:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-23 10:08:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-23 10:08:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-23 10:08:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-23 10:08:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-23 10:08:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-23 10:08:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-23 10:08:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-23 10:08:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-23 10:08:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-23 10:08:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-23 10:08:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2023-11-23 10:08:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2023-11-23 10:08:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2023-11-23 10:08:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-23 10:08:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-23 10:08:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure irqpoll_out_completed [2023-11-23 10:08:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure irqpoll_out_completed [2023-11-23 10:08:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_disconnect [2023-11-23 10:08:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_disconnect [2023-11-23 10:08:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2023-11-23 10:08:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2023-11-23 10:08:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2023-11-23 10:08:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2023-11-23 10:08:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 10:08:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 10:08:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 10:08:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 10:08:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 10:08:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 10:08:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 10:08:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 10:08:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 10:08:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 10:08:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-23 10:08:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-23 10:08:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-23 10:08:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-23 10:08:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-23 10:08:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-23 10:08:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-23 10:08:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-23 10:08:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-23 10:08:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-23 10:08:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-23 10:08:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-23 10:08:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-23 10:08:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-23 10:08:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-23 10:08:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2023-11-23 10:08:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 10:08:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 10:08:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 10:08:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 10:08:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 10:08:56,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-23 10:08:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 10:08:56,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 10:08:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_enable_sdio_irq [2023-11-23 10:08:56,417 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_enable_sdio_irq [2023-11-23 10:08:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 10:08:56,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 10:08:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 10:08:56,417 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 10:08:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure add_offloaded_reg [2023-11-23 10:08:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure add_offloaded_reg [2023-11-23 10:08:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-23 10:08:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-23 10:08:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure command_out_completed [2023-11-23 10:08:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure command_out_completed [2023-11-23 10:08:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_to_multiple_of_64 [2023-11-23 10:08:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_to_multiple_of_64 [2023-11-23 10:08:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 10:08:56,419 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 10:08:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-23 10:08:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-23 10:08:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-23 10:08:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-23 10:08:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-23 10:08:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-23 10:08:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-23 10:08:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-23 10:08:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-23 10:08:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-23 10:08:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-23 10:08:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-23 10:08:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-23 10:08:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-23 10:08:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-23 10:08:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-23 10:08:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-23 10:08:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-23 10:08:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-23 10:08:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-23 10:08:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-23 10:08:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-23 10:08:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-23 10:08:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-23 10:08:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2023-11-23 10:08:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_cmndwork_thread [2023-11-23 10:08:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_cmndwork_thread [2023-11-23 10:08:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-23 10:08:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-23 10:08:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-23 10:08:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-23 10:08:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-23 10:08:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-23 10:08:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-23 10:08:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-23 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-23 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-23 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-23 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-23 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-23 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-23 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-23 10:08:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-23 10:08:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-23 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-23 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-23 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-23 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-23 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-23 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-23 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-23 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2023-11-23 10:08:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 10:08:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 10:08:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2023-11-23 10:08:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2023-11-23 10:08:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure send_command [2023-11-23 10:08:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure send_command [2023-11-23 10:08:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-23 10:08:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-23 10:08:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-23 10:08:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-23 10:08:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 10:08:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 10:08:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 10:08:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 10:08:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 10:08:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 10:08:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 10:08:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 10:08:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 10:08:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-23 10:08:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-23 10:08:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-23 10:08:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-23 10:08:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-23 10:08:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-23 10:08:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-23 10:08:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-23 10:08:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-23 10:08:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-23 10:08:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-23 10:08:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-23 10:08:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-23 10:08:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-23 10:08:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-23 10:08:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2023-11-23 10:08:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2023-11-23 10:08:56,432 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2023-11-23 10:08:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-23 10:08:56,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-23 10:08:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-23 10:08:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-23 10:08:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-23 10:08:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-23 10:08:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-23 10:08:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-23 10:08:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-23 10:08:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-23 10:08:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-23 10:08:56,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-23 10:08:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-23 10:08:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-23 10:08:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-23 10:08:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-23 10:08:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-23 10:08:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-23 10:08:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-23 10:08:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-23 10:08:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2023-11-23 10:08:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2023-11-23 10:08:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2023-11-23 10:08:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2023-11-23 10:08:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2023-11-23 10:08:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-23 10:08:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-23 10:08:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-23 10:08:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-23 10:08:56,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-23 10:08:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-23 10:08:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-23 10:08:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-23 10:08:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-23 10:08:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-23 10:08:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-23 10:08:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-23 10:08:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-23 10:08:56,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-23 10:08:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-23 10:08:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-23 10:08:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-23 10:08:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-23 10:08:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-23 10:08:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-23 10:08:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2023-11-23 10:08:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2023-11-23 10:08:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2023-11-23 10:08:56,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2023-11-23 10:08:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2023-11-23 10:08:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2023-11-23 10:08:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2023-11-23 10:08:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure send_irqpoll [2023-11-23 10:08:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure send_irqpoll [2023-11-23 10:08:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2023-11-23 10:08:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2023-11-23 10:08:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 10:08:56,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 10:08:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-23 10:08:56,439 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-23 10:08:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 10:08:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 10:08:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 10:08:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 10:08:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 10:08:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 10:08:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 10:08:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 10:08:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-23 10:08:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-23 10:08:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-23 10:08:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-23 10:08:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-23 10:08:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-23 10:08:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-23 10:08:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-23 10:08:56,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-23 10:08:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-23 10:08:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-23 10:08:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-23 10:08:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-23 10:08:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-23 10:08:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-23 10:08:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-23 10:08:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2023-11-23 10:08:56,441 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_response_error [2023-11-23 10:08:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_response_error [2023-11-23 10:08:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2023-11-23 10:08:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2023-11-23 10:08:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_free_host [2023-11-23 10:08:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_free_host [2023-11-23 10:08:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 10:08:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 10:08:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_32 [2023-11-23 10:08:56,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_32 [2023-11-23 10:08:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 10:08:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 10:08:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 10:08:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_queue_poll_work [2023-11-23 10:08:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_queue_poll_work [2023-11-23 10:08:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2023-11-23 10:08:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2023-11-23 10:08:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 10:08:56,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 10:08:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-23 10:08:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-23 10:08:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2023-11-23 10:08:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2023-11-23 10:08:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 10:08:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_to_buffer [2023-11-23 10:08:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_to_buffer [2023-11-23 10:08:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_9 [2023-11-23 10:08:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_9 [2023-11-23 10:08:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 10:08:56,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 10:08:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 10:08:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 10:08:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 10:08:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 10:08:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 10:08:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 10:08:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 10:08:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 10:08:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-23 10:08:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-23 10:08:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-23 10:08:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-23 10:08:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-23 10:08:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-23 10:08:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-23 10:08:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-23 10:08:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-23 10:08:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-23 10:08:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-23 10:08:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-23 10:08:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-23 10:08:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-23 10:08:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-23 10:08:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-23 10:08:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2023-11-23 10:08:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure __download_offload_pseudocode [2023-11-23 10:08:56,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __download_offload_pseudocode [2023-11-23 10:08:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 10:08:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 10:08:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2023-11-23 10:08:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2023-11-23 10:08:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_pollwork_thread [2023-11-23 10:08:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_pollwork_thread [2023-11-23 10:08:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_InterfaceNumber [2023-11-23 10:08:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_InterfaceNumber [2023-11-23 10:08:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2023-11-23 10:08:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2023-11-23 10:08:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 10:08:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 10:08:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure __do_poll [2023-11-23 10:08:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __do_poll [2023-11-23 10:08:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2023-11-23 10:08:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2023-11-23 10:08:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure new_system_port_status [2023-11-23 10:08:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure new_system_port_status [2023-11-23 10:08:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_request_done [2023-11-23 10:08:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_request_done [2023-11-23 10:08:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 10:08:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 10:08:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 10:08:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 10:08:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure __command_write_data [2023-11-23 10:08:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __command_write_data [2023-11-23 10:08:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2023-11-23 10:08:56,450 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2023-11-23 10:08:56,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 10:08:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 10:08:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-23 10:08:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_47 [2023-11-23 10:08:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_47 [2023-11-23 10:08:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2023-11-23 10:08:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2023-11-23 10:08:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 10:08:56,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 10:08:56,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 10:08:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 10:08:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 10:08:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 10:08:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 10:08:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 10:08:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 10:08:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 10:08:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 10:08:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-23 10:08:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-23 10:08:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-23 10:08:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-23 10:08:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-23 10:08:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-23 10:08:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-23 10:08:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-23 10:08:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-23 10:08:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-23 10:08:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-23 10:08:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-23 10:08:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-23 10:08:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-23 10:08:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-23 10:08:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2023-11-23 10:08:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2023-11-23 10:08:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2023-11-23 10:08:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure mmc_priv [2023-11-23 10:08:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure mmc_priv [2023-11-23 10:08:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-23 10:08:56,457 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-23 10:08:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure vub300_deadwork_thread [2023-11-23 10:08:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure vub300_deadwork_thread [2023-11-23 10:08:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure check_vub300_port_status [2023-11-23 10:08:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure check_vub300_port_status [2023-11-23 10:08:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-23 10:08:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 10:08:56,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 10:08:57,270 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 10:08:57,273 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 10:08:59,914 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 10:09:01,294 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 10:09:01,421 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 10:09:01,421 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 10:09:01,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:09:01 BoogieIcfgContainer [2023-11-23 10:09:01,423 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 10:09:01,424 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 10:09:01,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 10:09:01,427 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 10:09:01,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:08:53" (1/3) ... [2023-11-23 10:09:01,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5331758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:09:01, skipping insertion in model container [2023-11-23 10:09:01,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:08:55" (2/3) ... [2023-11-23 10:09:01,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5331758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:09:01, skipping insertion in model container [2023-11-23 10:09:01,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:09:01" (3/3) ... [2023-11-23 10:09:01,430 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-063f96c-1-144_2a-drivers--mmc--host--vub300.ko.unsigned-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 10:09:01,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 10:09:01,447 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 10:09:01,503 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 10:09:01,508 INFO L357 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, mHoare=true, 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;@35691d17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 10:09:01,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 10:09:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 1761 states, 1248 states have (on average 1.5032051282051282) internal successors, (1876), 1313 states have internal predecessors, (1876), 414 states have call successors, (414), 98 states have call predecessors, (414), 97 states have return successors, (405), 379 states have call predecessors, (405), 405 states have call successors, (405) [2023-11-23 10:09:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-23 10:09:01,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:01,536 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:01,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:01,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:01,541 INFO L85 PathProgramCache]: Analyzing trace with hash -604194727, now seen corresponding path program 1 times [2023-11-23 10:09:01,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:01,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843290378] [2023-11-23 10:09:01,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:01,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:02,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:09:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:09:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:09:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:09:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:09:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:02,486 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-23 10:09:02,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:02,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843290378] [2023-11-23 10:09:02,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843290378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:02,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:02,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 10:09:02,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553144479] [2023-11-23 10:09:02,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:02,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 10:09:02,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:02,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 10:09:02,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-23 10:09:02,531 INFO L87 Difference]: Start difference. First operand has 1761 states, 1248 states have (on average 1.5032051282051282) internal successors, (1876), 1313 states have internal predecessors, (1876), 414 states have call successors, (414), 98 states have call predecessors, (414), 97 states have return successors, (405), 379 states have call predecessors, (405), 405 states have call successors, (405) Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (14), 7 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:09:10,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:10,281 INFO L93 Difference]: Finished difference Result 3702 states and 5791 transitions. [2023-11-23 10:09:10,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 10:09:10,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (14), 7 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 114 [2023-11-23 10:09:10,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:10,308 INFO L225 Difference]: With dead ends: 3702 [2023-11-23 10:09:10,308 INFO L226 Difference]: Without dead ends: 1931 [2023-11-23 10:09:10,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:09:10,321 INFO L413 NwaCegarLoop]: 913 mSDtfsCounter, 4149 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 4429 mSolverCounterSat, 2576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4258 SdHoareTripleChecker+Valid, 2606 SdHoareTripleChecker+Invalid, 7005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2576 IncrementalHoareTripleChecker+Valid, 4429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:10,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4258 Valid, 2606 Invalid, 7005 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2576 Valid, 4429 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-11-23 10:09:10,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2023-11-23 10:09:10,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1748. [2023-11-23 10:09:10,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1748 states, 1246 states have (on average 1.4703049759229534) internal successors, (1832), 1300 states have internal predecessors, (1832), 405 states have call successors, (405), 97 states have call predecessors, (405), 96 states have return successors, (400), 374 states have call predecessors, (400), 400 states have call successors, (400) [2023-11-23 10:09:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2637 transitions. [2023-11-23 10:09:10,476 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2637 transitions. Word has length 114 [2023-11-23 10:09:10,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:10,477 INFO L495 AbstractCegarLoop]: Abstraction has 1748 states and 2637 transitions. [2023-11-23 10:09:10,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (14), 7 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:09:10,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2637 transitions. [2023-11-23 10:09:10,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-23 10:09:10,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:10,486 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:10,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 10:09:10,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:10,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:10,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1478301025, now seen corresponding path program 1 times [2023-11-23 10:09:10,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:10,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967429237] [2023-11-23 10:09:10,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:10,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:10,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:10,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:10,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:10,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:10,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:09:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:09:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:09:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:09:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:09:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:11,117 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-23 10:09:11,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:11,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967429237] [2023-11-23 10:09:11,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967429237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:11,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:11,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 10:09:11,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14040356] [2023-11-23 10:09:11,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:11,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 10:09:11,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:11,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 10:09:11,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:09:11,122 INFO L87 Difference]: Start difference. First operand 1748 states and 2637 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:09:24,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:24,707 INFO L93 Difference]: Finished difference Result 5565 states and 8871 transitions. [2023-11-23 10:09:24,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 10:09:24,707 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 114 [2023-11-23 10:09:24,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:24,726 INFO L225 Difference]: With dead ends: 5565 [2023-11-23 10:09:24,727 INFO L226 Difference]: Without dead ends: 3837 [2023-11-23 10:09:24,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-23 10:09:24,735 INFO L413 NwaCegarLoop]: 1198 mSDtfsCounter, 7587 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 7455 mSolverCounterSat, 4383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7806 SdHoareTripleChecker+Valid, 4156 SdHoareTripleChecker+Invalid, 11838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4383 IncrementalHoareTripleChecker+Valid, 7455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:24,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7806 Valid, 4156 Invalid, 11838 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4383 Valid, 7455 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2023-11-23 10:09:24,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2023-11-23 10:09:24,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3542. [2023-11-23 10:09:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3542 states, 2519 states have (on average 1.4652639936482732) internal successors, (3691), 2632 states have internal predecessors, (3691), 811 states have call successors, (811), 191 states have call predecessors, (811), 211 states have return successors, (995), 771 states have call predecessors, (995), 806 states have call successors, (995) [2023-11-23 10:09:24,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3542 states and 5497 transitions. [2023-11-23 10:09:24,863 INFO L78 Accepts]: Start accepts. Automaton has 3542 states and 5497 transitions. Word has length 114 [2023-11-23 10:09:24,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:24,865 INFO L495 AbstractCegarLoop]: Abstraction has 3542 states and 5497 transitions. [2023-11-23 10:09:24,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:09:24,865 INFO L276 IsEmpty]: Start isEmpty. Operand 3542 states and 5497 transitions. [2023-11-23 10:09:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 10:09:24,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:24,870 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:24,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 10:09:24,870 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:24,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:24,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1419560356, now seen corresponding path program 1 times [2023-11-23 10:09:24,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:24,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884458332] [2023-11-23 10:09:24,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:24,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:09:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:09:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:09:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:09:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:09:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-23 10:09:25,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:25,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884458332] [2023-11-23 10:09:25,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884458332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:25,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:25,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 10:09:25,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087625127] [2023-11-23 10:09:25,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:25,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 10:09:25,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:25,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 10:09:25,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:09:25,338 INFO L87 Difference]: Start difference. First operand 3542 states and 5497 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:09:39,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:39,290 INFO L93 Difference]: Finished difference Result 11147 states and 18520 transitions. [2023-11-23 10:09:39,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 10:09:39,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 115 [2023-11-23 10:09:39,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:39,340 INFO L225 Difference]: With dead ends: 11147 [2023-11-23 10:09:39,340 INFO L226 Difference]: Without dead ends: 7625 [2023-11-23 10:09:39,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-23 10:09:39,370 INFO L413 NwaCegarLoop]: 1219 mSDtfsCounter, 10057 mSDsluCounter, 2974 mSDsCounter, 0 mSdLazyCounter, 6737 mSolverCounterSat, 5819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10285 SdHoareTripleChecker+Valid, 4193 SdHoareTripleChecker+Invalid, 12556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5819 IncrementalHoareTripleChecker+Valid, 6737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:39,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10285 Valid, 4193 Invalid, 12556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5819 Valid, 6737 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2023-11-23 10:09:39,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7625 states. [2023-11-23 10:09:39,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7625 to 7081. [2023-11-23 10:09:39,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7081 states, 5037 states have (on average 1.4631725233273774) internal successors, (7370), 5263 states have internal predecessors, (7370), 1615 states have call successors, (1615), 379 states have call predecessors, (1615), 428 states have return successors, (2364), 1545 states have call predecessors, (2364), 1610 states have call successors, (2364) [2023-11-23 10:09:39,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7081 states to 7081 states and 11349 transitions. [2023-11-23 10:09:39,807 INFO L78 Accepts]: Start accepts. Automaton has 7081 states and 11349 transitions. Word has length 115 [2023-11-23 10:09:39,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:39,808 INFO L495 AbstractCegarLoop]: Abstraction has 7081 states and 11349 transitions. [2023-11-23 10:09:39,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:09:39,808 INFO L276 IsEmpty]: Start isEmpty. Operand 7081 states and 11349 transitions. [2023-11-23 10:09:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 10:09:39,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:39,811 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:39,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 10:09:39,812 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:39,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:39,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1058945084, now seen corresponding path program 1 times [2023-11-23 10:09:39,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:39,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672234396] [2023-11-23 10:09:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:39,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:39,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:09:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:09:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:09:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:09:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:09:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:40,115 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-23 10:09:40,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:40,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672234396] [2023-11-23 10:09:40,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672234396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:40,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:40,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 10:09:40,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437611784] [2023-11-23 10:09:40,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:40,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 10:09:40,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:40,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 10:09:40,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:09:40,118 INFO L87 Difference]: Start difference. First operand 7081 states and 11349 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:09:53,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:09:53,284 INFO L93 Difference]: Finished difference Result 7623 states and 12449 transitions. [2023-11-23 10:09:53,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 10:09:53,284 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2023-11-23 10:09:53,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:09:53,324 INFO L225 Difference]: With dead ends: 7623 [2023-11-23 10:09:53,324 INFO L226 Difference]: Without dead ends: 7620 [2023-11-23 10:09:53,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-23 10:09:53,330 INFO L413 NwaCegarLoop]: 1219 mSDtfsCounter, 10998 mSDsluCounter, 2972 mSDsCounter, 0 mSdLazyCounter, 6253 mSolverCounterSat, 6774 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11224 SdHoareTripleChecker+Valid, 4191 SdHoareTripleChecker+Invalid, 13027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6774 IncrementalHoareTripleChecker+Valid, 6253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2023-11-23 10:09:53,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11224 Valid, 4191 Invalid, 13027 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6774 Valid, 6253 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2023-11-23 10:09:53,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7620 states. [2023-11-23 10:09:53,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7620 to 7082. [2023-11-23 10:09:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7082 states, 5038 states have (on average 1.463080587534736) internal successors, (7371), 5264 states have internal predecessors, (7371), 1615 states have call successors, (1615), 379 states have call predecessors, (1615), 428 states have return successors, (2364), 1545 states have call predecessors, (2364), 1610 states have call successors, (2364) [2023-11-23 10:09:53,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7082 states to 7082 states and 11350 transitions. [2023-11-23 10:09:53,780 INFO L78 Accepts]: Start accepts. Automaton has 7082 states and 11350 transitions. Word has length 116 [2023-11-23 10:09:53,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:09:53,780 INFO L495 AbstractCegarLoop]: Abstraction has 7082 states and 11350 transitions. [2023-11-23 10:09:53,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:09:53,781 INFO L276 IsEmpty]: Start isEmpty. Operand 7082 states and 11350 transitions. [2023-11-23 10:09:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-23 10:09:53,784 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:09:53,784 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:09:53,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 10:09:53,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:09:53,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:09:53,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1530198623, now seen corresponding path program 1 times [2023-11-23 10:09:53,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:09:53,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2452572] [2023-11-23 10:09:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:09:53,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:09:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:09:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:09:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:09:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:09:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:09:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:09:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:09:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:09:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:09:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:09:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:09:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-23 10:09:54,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:09:54,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2452572] [2023-11-23 10:09:54,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2452572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:09:54,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:09:54,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 10:09:54,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558741921] [2023-11-23 10:09:54,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:09:54,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 10:09:54,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:09:54,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 10:09:54,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:09:54,031 INFO L87 Difference]: Start difference. First operand 7082 states and 11350 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:10:01,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:01,144 INFO L93 Difference]: Finished difference Result 7619 states and 12445 transitions. [2023-11-23 10:10:01,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:10:01,145 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 117 [2023-11-23 10:10:01,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:01,180 INFO L225 Difference]: With dead ends: 7619 [2023-11-23 10:10:01,180 INFO L226 Difference]: Without dead ends: 7616 [2023-11-23 10:10:01,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 10:10:01,183 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 6127 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 4068 mSolverCounterSat, 3361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6282 SdHoareTripleChecker+Valid, 2554 SdHoareTripleChecker+Invalid, 7429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3361 IncrementalHoareTripleChecker+Valid, 4068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:01,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6282 Valid, 2554 Invalid, 7429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3361 Valid, 4068 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2023-11-23 10:10:01,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7616 states. [2023-11-23 10:10:01,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7616 to 7081. [2023-11-23 10:10:01,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7081 states, 5038 states have (on average 1.462882096069869) internal successors, (7370), 5263 states have internal predecessors, (7370), 1614 states have call successors, (1614), 379 states have call predecessors, (1614), 428 states have return successors, (2364), 1545 states have call predecessors, (2364), 1610 states have call successors, (2364) [2023-11-23 10:10:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7081 states to 7081 states and 11348 transitions. [2023-11-23 10:10:01,456 INFO L78 Accepts]: Start accepts. Automaton has 7081 states and 11348 transitions. Word has length 117 [2023-11-23 10:10:01,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:01,458 INFO L495 AbstractCegarLoop]: Abstraction has 7081 states and 11348 transitions. [2023-11-23 10:10:01,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:10:01,458 INFO L276 IsEmpty]: Start isEmpty. Operand 7081 states and 11348 transitions. [2023-11-23 10:10:01,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-23 10:10:01,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:01,461 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:01,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 10:10:01,461 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:01,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:01,461 INFO L85 PathProgramCache]: Analyzing trace with hash 189279783, now seen corresponding path program 1 times [2023-11-23 10:10:01,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:01,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897366823] [2023-11-23 10:10:01,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:01,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:10:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:10:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:10:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:10:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:10:01,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-23 10:10:01,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:01,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897366823] [2023-11-23 10:10:01,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897366823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:01,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:10:01,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 10:10:01,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631830651] [2023-11-23 10:10:01,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:01,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 10:10:01,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:01,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 10:10:01,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-23 10:10:01,709 INFO L87 Difference]: Start difference. First operand 7081 states and 11348 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:10:10,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:10,242 INFO L93 Difference]: Finished difference Result 7618 states and 12443 transitions. [2023-11-23 10:10:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:10:10,244 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 118 [2023-11-23 10:10:10,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:10,287 INFO L225 Difference]: With dead ends: 7618 [2023-11-23 10:10:10,287 INFO L226 Difference]: Without dead ends: 7589 [2023-11-23 10:10:10,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-23 10:10:10,298 INFO L413 NwaCegarLoop]: 894 mSDtfsCounter, 5298 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 4735 mSolverCounterSat, 3075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5452 SdHoareTripleChecker+Valid, 2554 SdHoareTripleChecker+Invalid, 7810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3075 IncrementalHoareTripleChecker+Valid, 4735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:10,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5452 Valid, 2554 Invalid, 7810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3075 Valid, 4735 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-11-23 10:10:10,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7589 states. [2023-11-23 10:10:10,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7589 to 7054. [2023-11-23 10:10:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7054 states, 5025 states have (on average 1.4632835820895522) internal successors, (7353), 5249 states have internal predecessors, (7353), 1601 states have call successors, (1601), 378 states have call predecessors, (1601), 427 states have return successors, (2334), 1533 states have call predecessors, (2334), 1598 states have call successors, (2334) [2023-11-23 10:10:10,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7054 states to 7054 states and 11288 transitions. [2023-11-23 10:10:10,612 INFO L78 Accepts]: Start accepts. Automaton has 7054 states and 11288 transitions. Word has length 118 [2023-11-23 10:10:10,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:10,612 INFO L495 AbstractCegarLoop]: Abstraction has 7054 states and 11288 transitions. [2023-11-23 10:10:10,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 10:10:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 7054 states and 11288 transitions. [2023-11-23 10:10:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 10:10:10,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:10,630 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:10,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 10:10:10,630 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:10,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:10,630 INFO L85 PathProgramCache]: Analyzing trace with hash -132133745, now seen corresponding path program 1 times [2023-11-23 10:10:10,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:10,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443160279] [2023-11-23 10:10:10,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:10,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:10:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:10:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-23 10:10:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-23 10:10:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-11-23 10:10:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-23 10:10:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 10:10:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-23 10:10:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-23 10:10:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:10:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-23 10:10:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-23 10:10:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-23 10:10:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-23 10:10:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2023-11-23 10:10:10,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:10,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443160279] [2023-11-23 10:10:10,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443160279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:10,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:10:10,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:10:10,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017828832] [2023-11-23 10:10:10,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:10,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:10:10,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:10,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:10:10,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:10:10,977 INFO L87 Difference]: Start difference. First operand 7054 states and 11288 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 10:10:25,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:25,022 INFO L93 Difference]: Finished difference Result 21416 states and 34642 transitions. [2023-11-23 10:10:25,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 10:10:25,025 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 175 [2023-11-23 10:10:25,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:25,140 INFO L225 Difference]: With dead ends: 21416 [2023-11-23 10:10:25,140 INFO L226 Difference]: Without dead ends: 14382 [2023-11-23 10:10:25,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2023-11-23 10:10:25,230 INFO L413 NwaCegarLoop]: 898 mSDtfsCounter, 10248 mSDsluCounter, 2353 mSDsCounter, 0 mSdLazyCounter, 6976 mSolverCounterSat, 6648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10494 SdHoareTripleChecker+Valid, 3251 SdHoareTripleChecker+Invalid, 13624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6648 IncrementalHoareTripleChecker+Valid, 6976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:25,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10494 Valid, 3251 Invalid, 13624 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6648 Valid, 6976 Invalid, 0 Unknown, 0 Unchecked, 12.7s Time] [2023-11-23 10:10:25,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14382 states. [2023-11-23 10:10:25,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14382 to 13445. [2023-11-23 10:10:25,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13445 states, 9477 states have (on average 1.4616439801624987) internal successors, (13852), 9943 states have internal predecessors, (13852), 3010 states have call successors, (3010), 714 states have call predecessors, (3010), 957 states have return successors, (4784), 3043 states have call predecessors, (4784), 3007 states have call successors, (4784) [2023-11-23 10:10:26,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13445 states to 13445 states and 21646 transitions. [2023-11-23 10:10:26,073 INFO L78 Accepts]: Start accepts. Automaton has 13445 states and 21646 transitions. Word has length 175 [2023-11-23 10:10:26,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:26,073 INFO L495 AbstractCegarLoop]: Abstraction has 13445 states and 21646 transitions. [2023-11-23 10:10:26,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (24), 8 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 10:10:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 13445 states and 21646 transitions. [2023-11-23 10:10:26,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-11-23 10:10:26,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:26,106 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:26,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 10:10:26,107 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:26,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:26,107 INFO L85 PathProgramCache]: Analyzing trace with hash -582378935, now seen corresponding path program 1 times [2023-11-23 10:10:26,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:26,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401451177] [2023-11-23 10:10:26,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:26,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:10:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:10:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:10:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:10:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:10:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:10:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-23 10:10:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:10:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-23 10:10:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-11-23 10:10:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:10:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-23 10:10:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-23 10:10:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:10:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-23 10:10:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-11-23 10:10:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-11-23 10:10:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-23 10:10:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2023-11-23 10:10:26,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:26,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401451177] [2023-11-23 10:10:26,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401451177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:26,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:10:26,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-23 10:10:26,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777727512] [2023-11-23 10:10:26,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:26,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 10:10:26,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:26,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 10:10:26,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-23 10:10:26,558 INFO L87 Difference]: Start difference. First operand 13445 states and 21646 transitions. Second operand has 10 states, 10 states have (on average 10.2) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (29), 8 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 10:10:39,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:10:39,203 INFO L93 Difference]: Finished difference Result 30862 states and 50452 transitions. [2023-11-23 10:10:39,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 10:10:39,203 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (29), 8 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 242 [2023-11-23 10:10:39,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:10:39,294 INFO L225 Difference]: With dead ends: 30862 [2023-11-23 10:10:39,295 INFO L226 Difference]: Without dead ends: 17437 [2023-11-23 10:10:39,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2023-11-23 10:10:39,350 INFO L413 NwaCegarLoop]: 1177 mSDtfsCounter, 8224 mSDsluCounter, 3299 mSDsCounter, 0 mSdLazyCounter, 6952 mSolverCounterSat, 5110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8418 SdHoareTripleChecker+Valid, 4476 SdHoareTripleChecker+Invalid, 12062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5110 IncrementalHoareTripleChecker+Valid, 6952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2023-11-23 10:10:39,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8418 Valid, 4476 Invalid, 12062 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5110 Valid, 6952 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2023-11-23 10:10:39,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17437 states. [2023-11-23 10:10:40,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17437 to 13459. [2023-11-23 10:10:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13459 states, 9491 states have (on average 1.460963017595617) internal successors, (13866), 9957 states have internal predecessors, (13866), 3010 states have call successors, (3010), 714 states have call predecessors, (3010), 957 states have return successors, (4784), 3043 states have call predecessors, (4784), 3007 states have call successors, (4784) [2023-11-23 10:10:40,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13459 states to 13459 states and 21660 transitions. [2023-11-23 10:10:40,206 INFO L78 Accepts]: Start accepts. Automaton has 13459 states and 21660 transitions. Word has length 242 [2023-11-23 10:10:40,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:10:40,210 INFO L495 AbstractCegarLoop]: Abstraction has 13459 states and 21660 transitions. [2023-11-23 10:10:40,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (29), 8 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 10:10:40,211 INFO L276 IsEmpty]: Start isEmpty. Operand 13459 states and 21660 transitions. [2023-11-23 10:10:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-23 10:10:40,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:10:40,248 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:10:40,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 10:10:40,248 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:10:40,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:10:40,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1022094904, now seen corresponding path program 1 times [2023-11-23 10:10:40,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:10:40,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120817184] [2023-11-23 10:10:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:10:40,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:10:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:10:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:10:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:10:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:10:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:10:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:10:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:10:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:10:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:10:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:10:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:10:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:10:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:10:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:10:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-23 10:10:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-23 10:10:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-23 10:10:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-23 10:10:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 10:10:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:10:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-23 10:10:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-23 10:10:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 10:10:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:10:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-23 10:10:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:10:40,835 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2023-11-23 10:10:40,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:10:40,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120817184] [2023-11-23 10:10:40,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120817184] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:10:40,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:10:40,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 10:10:40,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670548717] [2023-11-23 10:10:40,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:10:40,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 10:10:40,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:10:40,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 10:10:40,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-23 10:10:40,838 INFO L87 Difference]: Start difference. First operand 13459 states and 21660 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (30), 8 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 10:11:00,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:11:00,071 INFO L93 Difference]: Finished difference Result 41599 states and 67419 transitions. [2023-11-23 10:11:00,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-23 10:11:00,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (30), 8 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 256 [2023-11-23 10:11:00,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:11:00,209 INFO L225 Difference]: With dead ends: 41599 [2023-11-23 10:11:00,209 INFO L226 Difference]: Without dead ends: 28123 [2023-11-23 10:11:00,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2023-11-23 10:11:00,259 INFO L413 NwaCegarLoop]: 1283 mSDtfsCounter, 7312 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 10794 mSolverCounterSat, 4709 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7590 SdHoareTripleChecker+Valid, 5323 SdHoareTripleChecker+Invalid, 15503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4709 IncrementalHoareTripleChecker+Valid, 10794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:11:00,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7590 Valid, 5323 Invalid, 15503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4709 Valid, 10794 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2023-11-23 10:11:00,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28123 states. [2023-11-23 10:11:01,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28123 to 26295. [2023-11-23 10:11:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26295 states, 18621 states have (on average 1.4639922667955534) internal successors, (27261), 19531 states have internal predecessors, (27261), 5799 states have call successors, (5799), 1393 states have call predecessors, (5799), 1874 states have return successors, (9239), 5853 states have call predecessors, (9239), 5796 states have call successors, (9239) [2023-11-23 10:11:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26295 states to 26295 states and 42299 transitions. [2023-11-23 10:11:01,874 INFO L78 Accepts]: Start accepts. Automaton has 26295 states and 42299 transitions. Word has length 256 [2023-11-23 10:11:01,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:11:01,875 INFO L495 AbstractCegarLoop]: Abstraction has 26295 states and 42299 transitions. [2023-11-23 10:11:01,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (30), 8 states have call predecessors, (30), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-11-23 10:11:01,875 INFO L276 IsEmpty]: Start isEmpty. Operand 26295 states and 42299 transitions. [2023-11-23 10:11:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-11-23 10:11:01,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:11:01,923 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:11:01,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 10:11:01,923 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:11:01,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:11:01,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1552430389, now seen corresponding path program 1 times [2023-11-23 10:11:01,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:11:01,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378961246] [2023-11-23 10:11:01,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:01,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:11:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:02,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:02,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:11:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:02,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:11:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:11:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:11:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-23 10:11:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:11:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:11:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:11:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:11:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:11:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:11:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 10:11:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:11:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:11:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:11:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:11:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:11:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:11:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 10:11:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:11:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-11-23 10:11:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-23 10:11:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-11-23 10:11:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:04,129 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 10:11:04,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:11:04,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378961246] [2023-11-23 10:11:04,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378961246] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:11:04,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205815746] [2023-11-23 10:11:04,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:04,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:11:04,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:11:04,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:11:04,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 10:11:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:05,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 2887 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 10:11:05,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:11:05,207 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-23 10:11:05,208 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:11:05,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205815746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:11:05,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:11:05,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-11-23 10:11:05,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070749228] [2023-11-23 10:11:05,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:11:05,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:11:05,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:11:05,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:11:05,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-23 10:11:05,210 INFO L87 Difference]: Start difference. First operand 26295 states and 42299 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 10:11:06,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:11:06,774 INFO L93 Difference]: Finished difference Result 52530 states and 84448 transitions. [2023-11-23 10:11:06,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:11:06,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 259 [2023-11-23 10:11:06,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:11:06,907 INFO L225 Difference]: With dead ends: 52530 [2023-11-23 10:11:06,907 INFO L226 Difference]: Without dead ends: 26263 [2023-11-23 10:11:07,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-23 10:11:07,006 INFO L413 NwaCegarLoop]: 2492 mSDtfsCounter, 2617 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 2492 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 10:11:07,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 2492 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 10:11:07,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26263 states. [2023-11-23 10:11:08,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26263 to 26263. [2023-11-23 10:11:08,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26263 states, 18605 states have (on average 1.4635313087879602) internal successors, (27229), 19515 states have internal predecessors, (27229), 5783 states have call successors, (5783), 1393 states have call predecessors, (5783), 1874 states have return successors, (9155), 5837 states have call predecessors, (9155), 5780 states have call successors, (9155) [2023-11-23 10:11:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26263 states to 26263 states and 42167 transitions. [2023-11-23 10:11:08,681 INFO L78 Accepts]: Start accepts. Automaton has 26263 states and 42167 transitions. Word has length 259 [2023-11-23 10:11:08,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:11:08,682 INFO L495 AbstractCegarLoop]: Abstraction has 26263 states and 42167 transitions. [2023-11-23 10:11:08,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 10:11:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 26263 states and 42167 transitions. [2023-11-23 10:11:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2023-11-23 10:11:08,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:11:08,733 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:11:08,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 10:11:08,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-23 10:11:08,953 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:11:08,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:11:08,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2082726087, now seen corresponding path program 1 times [2023-11-23 10:11:08,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:11:08,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047016582] [2023-11-23 10:11:08,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:08,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:11:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:11:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:11:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:11:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:11:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 10:11:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:11:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:11:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:11:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:11:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:11:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:11:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 10:11:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:11:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:11:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:11:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:11:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:11:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:11:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 10:11:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:11:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-23 10:11:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-11-23 10:11:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-23 10:11:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 10:11:10,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:11:10,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047016582] [2023-11-23 10:11:10,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047016582] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:11:10,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654377089] [2023-11-23 10:11:10,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:10,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:11:10,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:11:10,965 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:11:10,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 10:11:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:11,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 10:11:11,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:11:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-23 10:11:12,026 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:11:12,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654377089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:11:12,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:11:12,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-11-23 10:11:12,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713324101] [2023-11-23 10:11:12,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:11:12,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:11:12,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:11:12,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:11:12,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-23 10:11:12,028 INFO L87 Difference]: Start difference. First operand 26263 states and 42167 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 10:11:13,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:11:13,538 INFO L93 Difference]: Finished difference Result 52466 states and 84184 transitions. [2023-11-23 10:11:13,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:11:13,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 260 [2023-11-23 10:11:13,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:11:13,682 INFO L225 Difference]: With dead ends: 52466 [2023-11-23 10:11:13,682 INFO L226 Difference]: Without dead ends: 26231 [2023-11-23 10:11:13,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-23 10:11:13,769 INFO L413 NwaCegarLoop]: 2488 mSDtfsCounter, 2612 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2612 SdHoareTripleChecker+Valid, 2488 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 10:11:13,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2612 Valid, 2488 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 10:11:13,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26231 states. [2023-11-23 10:11:15,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26231 to 26231. [2023-11-23 10:11:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26231 states, 18589 states have (on average 1.4630695572650492) internal successors, (27197), 19499 states have internal predecessors, (27197), 5767 states have call successors, (5767), 1393 states have call predecessors, (5767), 1874 states have return successors, (9071), 5821 states have call predecessors, (9071), 5764 states have call successors, (9071) [2023-11-23 10:11:15,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26231 states to 26231 states and 42035 transitions. [2023-11-23 10:11:15,375 INFO L78 Accepts]: Start accepts. Automaton has 26231 states and 42035 transitions. Word has length 260 [2023-11-23 10:11:15,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:11:15,376 INFO L495 AbstractCegarLoop]: Abstraction has 26231 states and 42035 transitions. [2023-11-23 10:11:15,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 10:11:15,376 INFO L276 IsEmpty]: Start isEmpty. Operand 26231 states and 42035 transitions. [2023-11-23 10:11:15,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-11-23 10:11:15,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:11:15,417 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:11:15,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-23 10:11:15,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-23 10:11:15,632 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:11:15,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:11:15,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2097047604, now seen corresponding path program 1 times [2023-11-23 10:11:15,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:11:15,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83388161] [2023-11-23 10:11:15,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:15,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:11:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:11:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:11:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:11:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:11:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:11:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:11:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:11:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:11:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:16,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:11:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:11:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:11:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 10:11:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:11:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:11:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:11:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:11:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:11:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:11:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 10:11:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:11:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-23 10:11:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-23 10:11:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-23 10:11:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:17,497 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 10:11:17,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:11:17,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83388161] [2023-11-23 10:11:17,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83388161] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:11:17,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344801334] [2023-11-23 10:11:17,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:17,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:11:17,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:11:17,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:11:17,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 10:11:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:18,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 2885 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 10:11:18,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:11:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-23 10:11:18,629 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:11:18,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344801334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:11:18,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:11:18,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-11-23 10:11:18,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957631537] [2023-11-23 10:11:18,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:11:18,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:11:18,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:11:18,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:11:18,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-23 10:11:18,632 INFO L87 Difference]: Start difference. First operand 26231 states and 42035 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 10:11:20,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:11:20,400 INFO L93 Difference]: Finished difference Result 52402 states and 83920 transitions. [2023-11-23 10:11:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:11:20,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 258 [2023-11-23 10:11:20,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:11:20,526 INFO L225 Difference]: With dead ends: 52402 [2023-11-23 10:11:20,527 INFO L226 Difference]: Without dead ends: 26199 [2023-11-23 10:11:20,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-23 10:11:20,604 INFO L413 NwaCegarLoop]: 2484 mSDtfsCounter, 2610 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2610 SdHoareTripleChecker+Valid, 2484 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 10:11:20,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2610 Valid, 2484 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 10:11:20,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26199 states. [2023-11-23 10:11:22,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26199 to 26199. [2023-11-23 10:11:22,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26199 states, 18573 states have (on average 1.462607010176062) internal successors, (27165), 19483 states have internal predecessors, (27165), 5751 states have call successors, (5751), 1393 states have call predecessors, (5751), 1874 states have return successors, (8987), 5805 states have call predecessors, (8987), 5748 states have call successors, (8987) [2023-11-23 10:11:22,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26199 states to 26199 states and 41903 transitions. [2023-11-23 10:11:22,354 INFO L78 Accepts]: Start accepts. Automaton has 26199 states and 41903 transitions. Word has length 258 [2023-11-23 10:11:22,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:11:22,354 INFO L495 AbstractCegarLoop]: Abstraction has 26199 states and 41903 transitions. [2023-11-23 10:11:22,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 10:11:22,355 INFO L276 IsEmpty]: Start isEmpty. Operand 26199 states and 41903 transitions. [2023-11-23 10:11:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-11-23 10:11:22,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:11:22,393 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:11:22,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-23 10:11:22,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:11:22,609 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:11:22,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:11:22,609 INFO L85 PathProgramCache]: Analyzing trace with hash 386682882, now seen corresponding path program 1 times [2023-11-23 10:11:22,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:11:22,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183315696] [2023-11-23 10:11:22,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:22,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:11:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:11:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:11:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:11:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:11:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 10:11:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 10:11:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-23 10:11:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:11:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 10:11:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:23,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-23 10:11:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 10:11:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 10:11:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 10:11:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:11:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-23 10:11:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:11:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-23 10:11:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-23 10:11:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 10:11:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:11:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-11-23 10:11:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-23 10:11:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-23 10:11:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-23 10:11:24,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:11:24,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183315696] [2023-11-23 10:11:24,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183315696] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:11:24,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696587706] [2023-11-23 10:11:24,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:24,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:11:24,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:11:24,345 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:11:24,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 10:11:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:25,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 2891 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 10:11:25,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:11:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-11-23 10:11:25,414 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:11:25,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696587706] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:11:25,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:11:25,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-11-23 10:11:25,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977878671] [2023-11-23 10:11:25,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:11:25,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 10:11:25,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:11:25,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 10:11:25,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-23 10:11:25,419 INFO L87 Difference]: Start difference. First operand 26199 states and 41903 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 10:11:27,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:11:27,292 INFO L93 Difference]: Finished difference Result 52338 states and 83656 transitions. [2023-11-23 10:11:27,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 10:11:27,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 261 [2023-11-23 10:11:27,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:11:27,402 INFO L225 Difference]: With dead ends: 52338 [2023-11-23 10:11:27,403 INFO L226 Difference]: Without dead ends: 26167 [2023-11-23 10:11:27,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-11-23 10:11:27,481 INFO L413 NwaCegarLoop]: 2480 mSDtfsCounter, 2603 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2603 SdHoareTripleChecker+Valid, 2480 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 10:11:27,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2603 Valid, 2480 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 10:11:27,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26167 states. [2023-11-23 10:11:29,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26167 to 26167. [2023-11-23 10:11:29,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26167 states, 18557 states have (on average 1.4621436654631674) internal successors, (27133), 19467 states have internal predecessors, (27133), 5735 states have call successors, (5735), 1393 states have call predecessors, (5735), 1874 states have return successors, (8903), 5789 states have call predecessors, (8903), 5732 states have call successors, (8903) [2023-11-23 10:11:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26167 states to 26167 states and 41771 transitions. [2023-11-23 10:11:29,252 INFO L78 Accepts]: Start accepts. Automaton has 26167 states and 41771 transitions. Word has length 261 [2023-11-23 10:11:29,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:11:29,252 INFO L495 AbstractCegarLoop]: Abstraction has 26167 states and 41771 transitions. [2023-11-23 10:11:29,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 10:11:29,252 INFO L276 IsEmpty]: Start isEmpty. Operand 26167 states and 41771 transitions. [2023-11-23 10:11:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-11-23 10:11:29,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:11:29,291 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:11:29,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 10:11:29,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:11:29,500 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:11:29,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:11:29,500 INFO L85 PathProgramCache]: Analyzing trace with hash -529228106, now seen corresponding path program 1 times [2023-11-23 10:11:29,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:11:29,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369016776] [2023-11-23 10:11:29,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:29,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:11:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:11:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:11:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:11:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:11:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:11:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:11:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:11:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:11:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:11:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-23 10:11:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-23 10:11:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-23 10:11:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-23 10:11:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-11-23 10:11:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-23 10:11:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-23 10:11:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-23 10:11:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-23 10:11:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-23 10:11:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-23 10:11:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-23 10:11:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-11-23 10:11:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-11-23 10:11:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:11:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-23 10:11:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-23 10:11:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2023-11-23 10:11:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2023-11-23 10:11:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:29,951 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-23 10:11:29,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:11:29,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369016776] [2023-11-23 10:11:29,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369016776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:11:29,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 10:11:29,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-23 10:11:29,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914535323] [2023-11-23 10:11:29,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:11:29,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-23 10:11:29,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:11:29,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-23 10:11:29,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-23 10:11:29,953 INFO L87 Difference]: Start difference. First operand 26167 states and 41771 transitions. Second operand has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-23 10:11:51,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:11:51,809 INFO L93 Difference]: Finished difference Result 47142 states and 75985 transitions. [2023-11-23 10:11:51,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-23 10:11:51,810 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 285 [2023-11-23 10:11:51,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:11:51,980 INFO L225 Difference]: With dead ends: 47142 [2023-11-23 10:11:51,980 INFO L226 Difference]: Without dead ends: 20722 [2023-11-23 10:11:52,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2023-11-23 10:11:52,026 INFO L413 NwaCegarLoop]: 876 mSDtfsCounter, 5508 mSDsluCounter, 4352 mSDsCounter, 0 mSdLazyCounter, 12850 mSolverCounterSat, 3851 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5607 SdHoareTripleChecker+Valid, 5228 SdHoareTripleChecker+Invalid, 16701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3851 IncrementalHoareTripleChecker+Valid, 12850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2023-11-23 10:11:52,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5607 Valid, 5228 Invalid, 16701 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3851 Valid, 12850 Invalid, 0 Unknown, 0 Unchecked, 19.1s Time] [2023-11-23 10:11:52,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20722 states. [2023-11-23 10:11:53,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20722 to 19142. [2023-11-23 10:11:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19142 states, 13397 states have (on average 1.4509218481749646) internal successors, (19438), 14090 states have internal predecessors, (19438), 4278 states have call successors, (4278), 868 states have call predecessors, (4278), 1466 states have return successors, (7199), 4598 states have call predecessors, (7199), 4275 states have call successors, (7199) [2023-11-23 10:11:53,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19142 states to 19142 states and 30915 transitions. [2023-11-23 10:11:53,694 INFO L78 Accepts]: Start accepts. Automaton has 19142 states and 30915 transitions. Word has length 285 [2023-11-23 10:11:53,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:11:53,696 INFO L495 AbstractCegarLoop]: Abstraction has 19142 states and 30915 transitions. [2023-11-23 10:11:53,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.666666666666666) internal successors, (116), 5 states have internal predecessors, (116), 3 states have call successors, (36), 9 states have call predecessors, (36), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2023-11-23 10:11:53,696 INFO L276 IsEmpty]: Start isEmpty. Operand 19142 states and 30915 transitions. [2023-11-23 10:11:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-23 10:11:53,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:11:53,729 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:11:53,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 10:11:53,729 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:11:53,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:11:53,730 INFO L85 PathProgramCache]: Analyzing trace with hash -22291920, now seen corresponding path program 1 times [2023-11-23 10:11:53,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:11:53,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976339673] [2023-11-23 10:11:53,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:53,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:11:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:53,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:53,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:53,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:11:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:53,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:53,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:53,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:11:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:53,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:11:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:11:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:11:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:11:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:11:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:11:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:11:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:11:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:11:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:11:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:11:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:11:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-23 10:11:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-23 10:11:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-23 10:11:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-23 10:11:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 10:11:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:11:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:11:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-23 10:11:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 10:11:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-23 10:11:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 10:11:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-23 10:11:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-23 10:11:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-23 10:11:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-23 10:11:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-23 10:11:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-23 10:11:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 10:11:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-11-23 10:11:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-23 10:11:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-11-23 10:11:54,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:11:54,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976339673] [2023-11-23 10:11:54,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976339673] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:11:54,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031690233] [2023-11-23 10:11:54,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:11:54,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:11:54,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:11:54,257 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:11:54,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 10:11:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:11:55,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 3002 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 10:11:55,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:11:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-11-23 10:11:55,350 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:11:55,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031690233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:11:55,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:11:55,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2023-11-23 10:11:55,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720938834] [2023-11-23 10:11:55,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:11:55,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:11:55,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:11:55,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:11:55,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2023-11-23 10:11:55,352 INFO L87 Difference]: Start difference. First operand 19142 states and 30915 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 10:11:59,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:11:59,399 INFO L93 Difference]: Finished difference Result 50020 states and 81229 transitions. [2023-11-23 10:11:59,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 10:11:59,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 304 [2023-11-23 10:11:59,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:11:59,541 INFO L225 Difference]: With dead ends: 50020 [2023-11-23 10:11:59,541 INFO L226 Difference]: Without dead ends: 34617 [2023-11-23 10:11:59,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2023-11-23 10:11:59,596 INFO L413 NwaCegarLoop]: 4688 mSDtfsCounter, 2945 mSDsluCounter, 11169 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2973 SdHoareTripleChecker+Valid, 15857 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 10:11:59,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2973 Valid, 15857 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 10:11:59,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34617 states. [2023-11-23 10:12:01,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34617 to 27358. [2023-11-23 10:12:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27358 states, 19195 states have (on average 1.4494399583224797) internal successors, (27822), 20182 states have internal predecessors, (27822), 6103 states have call successors, (6103), 1216 states have call predecessors, (6103), 2059 states have return successors, (10301), 6540 states have call predecessors, (10301), 6100 states have call successors, (10301) [2023-11-23 10:12:02,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27358 states to 27358 states and 44226 transitions. [2023-11-23 10:12:02,137 INFO L78 Accepts]: Start accepts. Automaton has 27358 states and 44226 transitions. Word has length 304 [2023-11-23 10:12:02,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:12:02,138 INFO L495 AbstractCegarLoop]: Abstraction has 27358 states and 44226 transitions. [2023-11-23 10:12:02,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 10:12:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 27358 states and 44226 transitions. [2023-11-23 10:12:02,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-23 10:12:02,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:12:02,174 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:12:02,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-23 10:12:02,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-23 10:12:02,392 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:12:02,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:12:02,392 INFO L85 PathProgramCache]: Analyzing trace with hash -1016985618, now seen corresponding path program 1 times [2023-11-23 10:12:02,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:12:02,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286774681] [2023-11-23 10:12:02,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:12:02,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:12:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:12:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:12:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:12:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:12:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:12:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:12:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:12:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:12:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:12:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:12:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:12:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:12:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:12:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-23 10:12:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-23 10:12:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-23 10:12:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-23 10:12:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 10:12:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:12:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-23 10:12:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-23 10:12:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-23 10:12:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-23 10:12:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-23 10:12:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-11-23 10:12:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-23 10:12:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2023-11-23 10:12:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-23 10:12:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2023-11-23 10:12:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-23 10:12:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2023-11-23 10:12:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2023-11-23 10:12:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-11-23 10:12:03,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:12:03,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286774681] [2023-11-23 10:12:03,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286774681] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:12:03,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784630771] [2023-11-23 10:12:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:12:03,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:12:03,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:12:03,535 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:12:03,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 10:12:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:04,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 10:12:04,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:12:04,841 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-23 10:12:04,841 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 10:12:04,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784630771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 10:12:04,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 10:12:04,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 16 [2023-11-23 10:12:04,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834171645] [2023-11-23 10:12:04,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 10:12:04,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 10:12:04,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:12:04,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 10:12:04,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-11-23 10:12:04,844 INFO L87 Difference]: Start difference. First operand 27358 states and 44226 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 3 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 10:12:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 10:12:07,664 INFO L93 Difference]: Finished difference Result 54814 states and 90064 transitions. [2023-11-23 10:12:07,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 10:12:07,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 3 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 3 states have call successors, (38) Word has length 304 [2023-11-23 10:12:07,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 10:12:07,780 INFO L225 Difference]: With dead ends: 54814 [2023-11-23 10:12:07,780 INFO L226 Difference]: Without dead ends: 27484 [2023-11-23 10:12:07,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2023-11-23 10:12:07,860 INFO L413 NwaCegarLoop]: 2479 mSDtfsCounter, 3 mSDsluCounter, 7433 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9912 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 10:12:07,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9912 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 10:12:07,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27484 states. [2023-11-23 10:12:10,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27484 to 27456. [2023-11-23 10:12:10,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27456 states, 19265 states have (on average 1.4485336101738904) internal successors, (27906), 20252 states have internal predecessors, (27906), 6117 states have call successors, (6117), 1216 states have call predecessors, (6117), 2073 states have return successors, (10361), 6568 states have call predecessors, (10361), 6114 states have call successors, (10361) [2023-11-23 10:12:10,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27456 states to 27456 states and 44384 transitions. [2023-11-23 10:12:10,675 INFO L78 Accepts]: Start accepts. Automaton has 27456 states and 44384 transitions. Word has length 304 [2023-11-23 10:12:10,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 10:12:10,675 INFO L495 AbstractCegarLoop]: Abstraction has 27456 states and 44384 transitions. [2023-11-23 10:12:10,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 4 states have internal predecessors, (110), 3 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 4 states have call predecessors, (38), 3 states have call successors, (38) [2023-11-23 10:12:10,676 INFO L276 IsEmpty]: Start isEmpty. Operand 27456 states and 44384 transitions. [2023-11-23 10:12:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2023-11-23 10:12:10,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 10:12:10,708 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 10:12:10,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 10:12:10,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-23 10:12:10,914 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 10:12:10,915 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 10:12:10,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1819007411, now seen corresponding path program 1 times [2023-11-23 10:12:10,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 10:12:10,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141040661] [2023-11-23 10:12:10,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:12:10,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 10:12:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-23 10:12:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 10:12:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-23 10:12:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 10:12:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 10:12:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-23 10:12:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 10:12:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-23 10:12:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-23 10:12:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-23 10:12:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-23 10:12:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 10:12:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-23 10:12:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-23 10:12:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-23 10:12:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-23 10:12:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-23 10:12:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-23 10:12:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-23 10:12:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 10:12:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 10:12:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-11-23 10:12:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-23 10:12:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-23 10:12:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2023-11-23 10:12:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-23 10:12:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-23 10:12:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-23 10:12:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2023-11-23 10:12:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2023-11-23 10:12:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-23 10:12:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2023-11-23 10:12:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2023-11-23 10:12:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-23 10:12:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2023-11-23 10:12:11,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 10:12:11,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141040661] [2023-11-23 10:12:11,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141040661] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 10:12:11,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375181991] [2023-11-23 10:12:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 10:12:11,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 10:12:11,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 10:12:11,731 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 10:12:11,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 10:12:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 10:12:12,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 2995 conjuncts, 97 conjunts are in the unsatisfiable core [2023-11-23 10:12:12,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 10:12:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-23 10:12:13,357 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 10:12:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2023-11-23 10:12:13,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375181991] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 10:12:13,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 10:12:13,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2023-11-23 10:12:13,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804191044] [2023-11-23 10:12:13,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 10:12:13,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-23 10:12:13,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 10:12:13,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-23 10:12:13,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2023-11-23 10:12:13,917 INFO L87 Difference]: Start difference. First operand 27456 states and 44384 transitions. Second operand has 25 states, 24 states have (on average 9.833333333333334) internal successors, (236), 14 states have internal predecessors, (236), 6 states have call successors, (95), 12 states have call predecessors, (95), 7 states have return successors, (86), 10 states have call predecessors, (86), 6 states have call successors, (86) Killed by 15