/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 15:57:26,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 15:57:26,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 15:57:26,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 15:57:26,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 15:57:26,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 15:57:26,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 15:57:26,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 15:57:26,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 15:57:26,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 15:57:26,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 15:57:26,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 15:57:26,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 15:57:26,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 15:57:26,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 15:57:26,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 15:57:26,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 15:57:26,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 15:57:26,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 15:57:26,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 15:57:26,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 15:57:26,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 15:57:26,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 15:57:26,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 15:57:26,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 15:57:26,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 15:57:26,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 15:57:26,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 15:57:26,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 15:57:26,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 15:57:26,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 15:57:26,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 15:57:26,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 15:57:26,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 15:57:26,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 15:57:26,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 15:57:26,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 15:57:26,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 15:57:26,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 15:57:26,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 15:57:26,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 15:57:26,273 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 15:57:26,331 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 15:57:26,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 15:57:26,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 15:57:26,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 15:57:26,340 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 15:57:26,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 15:57:26,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 15:57:26,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 15:57:26,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 15:57:26,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 15:57:26,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 15:57:26,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 15:57:26,343 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 15:57:26,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 15:57:26,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 15:57:26,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 15:57:26,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 15:57:26,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:57:26,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 15:57:26,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 15:57:26,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 15:57:26,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 15:57:26,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 15:57:26,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 15:57:26,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 15:57:26,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 15:57:26,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 15:57:26,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 15:57:26,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 15:57:26,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 15:57:26,901 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 15:57:26,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2020-12-22 15:57:27,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d2a29ce/6ecc18a485f54d629f798d1d89c15379/FLAG07bf61f59 [2020-12-22 15:57:28,356 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 15:57:28,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2020-12-22 15:57:28,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d2a29ce/6ecc18a485f54d629f798d1d89c15379/FLAG07bf61f59 [2020-12-22 15:57:28,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d2a29ce/6ecc18a485f54d629f798d1d89c15379 [2020-12-22 15:57:28,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 15:57:28,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 15:57:28,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 15:57:28,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 15:57:28,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 15:57:28,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:57:28" (1/1) ... [2020-12-22 15:57:28,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6323cecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:28, skipping insertion in model container [2020-12-22 15:57:28,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:57:28" (1/1) ... [2020-12-22 15:57:28,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 15:57:28,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 15:57:32,481 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315060,315073] [2020-12-22 15:57:32,485 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315229,315242] [2020-12-22 15:57:32,486 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315396,315409] [2020-12-22 15:57:32,487 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315564,315577] [2020-12-22 15:57:32,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:57:32,607 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 15:57:33,032 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315060,315073] [2020-12-22 15:57:33,033 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315229,315242] [2020-12-22 15:57:33,034 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315396,315409] [2020-12-22 15:57:33,035 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315564,315577] [2020-12-22 15:57:33,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 15:57:34,179 INFO L208 MainTranslator]: Completed translation [2020-12-22 15:57:34,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34 WrapperNode [2020-12-22 15:57:34,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 15:57:34,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 15:57:34,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 15:57:34,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 15:57:34,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (1/1) ... [2020-12-22 15:57:34,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (1/1) ... [2020-12-22 15:57:35,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 15:57:35,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 15:57:35,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 15:57:35,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 15:57:35,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (1/1) ... [2020-12-22 15:57:35,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (1/1) ... [2020-12-22 15:57:35,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (1/1) ... [2020-12-22 15:57:35,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (1/1) ... [2020-12-22 15:57:35,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (1/1) ... [2020-12-22 15:57:35,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (1/1) ... [2020-12-22 15:57:36,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (1/1) ... [2020-12-22 15:57:36,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 15:57:36,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 15:57:36,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 15:57:36,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 15:57:36,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 15:57:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 15:57:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 15:57:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 15:57:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 15:57:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 15:57:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 15:57:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 15:57:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 15:57:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 15:57:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 15:57:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_tx_timeout [2020-12-22 15:57:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_tx_timeout [2020-12-22 15:57:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 15:57:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 15:57:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 15:57:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 15:57:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 15:57:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 15:57:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 15:57:57,433 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#4: ldv_switch_1_#res := 0; [2020-12-22 15:57:57,434 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0; [2020-12-22 15:57:57,435 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0; [2020-12-22 15:57:57,435 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0; [2020-12-22 15:57:57,437 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0; [2020-12-22 15:57:57,437 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2020-12-22 15:57:57,478 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 15:57:57,478 INFO L299 CfgBuilder]: Removed 8324 assume(true) statements. [2020-12-22 15:57:57,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:57:57 BoogieIcfgContainer [2020-12-22 15:57:57,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 15:57:57,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 15:57:57,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 15:57:57,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 15:57:57,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:57:28" (1/3) ... [2020-12-22 15:57:57,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5123e582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:57:57, skipping insertion in model container [2020-12-22 15:57:57,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:34" (2/3) ... [2020-12-22 15:57:57,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5123e582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:57:57, skipping insertion in model container [2020-12-22 15:57:57,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:57:57" (3/3) ... [2020-12-22 15:57:57,495 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2020-12-22 15:57:57,503 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 15:57:57,512 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 58 error locations. [2020-12-22 15:57:57,538 INFO L253 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2020-12-22 15:57:57,602 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 15:57:57,602 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 15:57:57,602 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 15:57:57,602 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 15:57:57,603 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 15:57:57,604 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 15:57:57,604 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 15:57:57,604 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 15:57:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3785 states. [2020-12-22 15:57:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-22 15:57:57,722 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:57:57,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:57:57,724 INFO L429 AbstractCegarLoop]: === Iteration 1 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:57:57,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:57:57,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1406977347, now seen corresponding path program 1 times [2020-12-22 15:57:57,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:57:57,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127337406] [2020-12-22 15:57:57,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:57:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:57:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:57:58,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127337406] [2020-12-22 15:57:58,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:57:58,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:57:58,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518653409] [2020-12-22 15:57:58,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:57:58,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:57:58,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:57:58,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:57:58,741 INFO L87 Difference]: Start difference. First operand 3785 states. Second operand 3 states. [2020-12-22 15:58:01,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:01,645 INFO L93 Difference]: Finished difference Result 10991 states and 13550 transitions. [2020-12-22 15:58:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:58:01,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-12-22 15:58:01,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:01,716 INFO L225 Difference]: With dead ends: 10991 [2020-12-22 15:58:01,716 INFO L226 Difference]: Without dead ends: 6500 [2020-12-22 15:58:01,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:01,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6500 states. [2020-12-22 15:58:02,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6500 to 6456. [2020-12-22 15:58:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6456 states. [2020-12-22 15:58:02,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6456 states to 6456 states and 7300 transitions. [2020-12-22 15:58:02,178 INFO L78 Accepts]: Start accepts. Automaton has 6456 states and 7300 transitions. Word has length 39 [2020-12-22 15:58:02,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:02,179 INFO L481 AbstractCegarLoop]: Abstraction has 6456 states and 7300 transitions. [2020-12-22 15:58:02,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:58:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand 6456 states and 7300 transitions. [2020-12-22 15:58:02,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-22 15:58:02,189 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:02,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:58:02,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 15:58:02,191 INFO L429 AbstractCegarLoop]: === Iteration 2 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:02,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:02,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1731787906, now seen corresponding path program 1 times [2020-12-22 15:58:02,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:02,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922237523] [2020-12-22 15:58:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:58:02,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922237523] [2020-12-22 15:58:02,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:02,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:02,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495633200] [2020-12-22 15:58:02,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:58:02,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:02,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:58:02,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:02,686 INFO L87 Difference]: Start difference. First operand 6456 states and 7300 transitions. Second operand 3 states. [2020-12-22 15:58:05,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:05,682 INFO L93 Difference]: Finished difference Result 17742 states and 20025 transitions. [2020-12-22 15:58:05,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:58:05,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2020-12-22 15:58:05,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:05,754 INFO L225 Difference]: With dead ends: 17742 [2020-12-22 15:58:05,754 INFO L226 Difference]: Without dead ends: 11346 [2020-12-22 15:58:05,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:05,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11346 states. [2020-12-22 15:58:06,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11346 to 10180. [2020-12-22 15:58:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10180 states. [2020-12-22 15:58:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10180 states to 10180 states and 11560 transitions. [2020-12-22 15:58:06,197 INFO L78 Accepts]: Start accepts. Automaton has 10180 states and 11560 transitions. Word has length 39 [2020-12-22 15:58:06,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:06,198 INFO L481 AbstractCegarLoop]: Abstraction has 10180 states and 11560 transitions. [2020-12-22 15:58:06,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:58:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 10180 states and 11560 transitions. [2020-12-22 15:58:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-22 15:58:06,203 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:06,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:58:06,205 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 15:58:06,209 INFO L429 AbstractCegarLoop]: === Iteration 3 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:06,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:06,213 INFO L82 PathProgramCache]: Analyzing trace with hash -597381755, now seen corresponding path program 1 times [2020-12-22 15:58:06,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:06,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580158137] [2020-12-22 15:58:06,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:06,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:58:06,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580158137] [2020-12-22 15:58:06,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:06,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:06,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679903724] [2020-12-22 15:58:06,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:58:06,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:06,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:58:06,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:06,620 INFO L87 Difference]: Start difference. First operand 10180 states and 11560 transitions. Second operand 3 states. [2020-12-22 15:58:09,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:09,415 INFO L93 Difference]: Finished difference Result 26888 states and 30506 transitions. [2020-12-22 15:58:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:58:09,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-22 15:58:09,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:09,525 INFO L225 Difference]: With dead ends: 26888 [2020-12-22 15:58:09,526 INFO L226 Difference]: Without dead ends: 16768 [2020-12-22 15:58:09,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:09,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16768 states. [2020-12-22 15:58:10,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16768 to 16056. [2020-12-22 15:58:10,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16056 states. [2020-12-22 15:58:10,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16056 states to 16056 states and 18248 transitions. [2020-12-22 15:58:10,200 INFO L78 Accepts]: Start accepts. Automaton has 16056 states and 18248 transitions. Word has length 45 [2020-12-22 15:58:10,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:10,201 INFO L481 AbstractCegarLoop]: Abstraction has 16056 states and 18248 transitions. [2020-12-22 15:58:10,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:58:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand 16056 states and 18248 transitions. [2020-12-22 15:58:10,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-22 15:58:10,202 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:10,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:58:10,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 15:58:10,203 INFO L429 AbstractCegarLoop]: === Iteration 4 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:10,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:10,204 INFO L82 PathProgramCache]: Analyzing trace with hash -218861770, now seen corresponding path program 1 times [2020-12-22 15:58:10,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:10,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842259561] [2020-12-22 15:58:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:58:10,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842259561] [2020-12-22 15:58:10,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:10,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:10,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921725635] [2020-12-22 15:58:10,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:58:10,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:10,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:58:10,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:10,538 INFO L87 Difference]: Start difference. First operand 16056 states and 18248 transitions. Second operand 3 states. [2020-12-22 15:58:15,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:15,297 INFO L93 Difference]: Finished difference Result 25990 states and 29745 transitions. [2020-12-22 15:58:15,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:58:15,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-22 15:58:15,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:15,328 INFO L225 Difference]: With dead ends: 25990 [2020-12-22 15:58:15,328 INFO L226 Difference]: Without dead ends: 9994 [2020-12-22 15:58:15,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:15,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9994 states. [2020-12-22 15:58:15,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9994 to 8807. [2020-12-22 15:58:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8807 states. [2020-12-22 15:58:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8807 states to 8807 states and 10085 transitions. [2020-12-22 15:58:15,669 INFO L78 Accepts]: Start accepts. Automaton has 8807 states and 10085 transitions. Word has length 51 [2020-12-22 15:58:15,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:15,669 INFO L481 AbstractCegarLoop]: Abstraction has 8807 states and 10085 transitions. [2020-12-22 15:58:15,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:58:15,669 INFO L276 IsEmpty]: Start isEmpty. Operand 8807 states and 10085 transitions. [2020-12-22 15:58:15,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-22 15:58:15,671 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:15,672 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:15,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 15:58:15,674 INFO L429 AbstractCegarLoop]: === Iteration 5 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:15,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:15,675 INFO L82 PathProgramCache]: Analyzing trace with hash 2041952333, now seen corresponding path program 1 times [2020-12-22 15:58:15,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:15,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352984072] [2020-12-22 15:58:15,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:58:16,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352984072] [2020-12-22 15:58:16,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:16,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:16,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241061232] [2020-12-22 15:58:16,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:58:16,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:16,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:58:16,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:16,011 INFO L87 Difference]: Start difference. First operand 8807 states and 10085 transitions. Second operand 3 states. [2020-12-22 15:58:18,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:18,980 INFO L93 Difference]: Finished difference Result 25743 states and 29504 transitions. [2020-12-22 15:58:19,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:58:19,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-22 15:58:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:19,191 INFO L225 Difference]: With dead ends: 25743 [2020-12-22 15:58:19,191 INFO L226 Difference]: Without dead ends: 17054 [2020-12-22 15:58:19,212 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:19,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17054 states. [2020-12-22 15:58:19,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17054 to 17010. [2020-12-22 15:58:19,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17010 states. [2020-12-22 15:58:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17010 states to 17010 states and 19493 transitions. [2020-12-22 15:58:19,922 INFO L78 Accepts]: Start accepts. Automaton has 17010 states and 19493 transitions. Word has length 68 [2020-12-22 15:58:19,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:19,925 INFO L481 AbstractCegarLoop]: Abstraction has 17010 states and 19493 transitions. [2020-12-22 15:58:19,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:58:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 17010 states and 19493 transitions. [2020-12-22 15:58:19,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-22 15:58:19,928 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:19,929 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:19,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 15:58:19,930 INFO L429 AbstractCegarLoop]: === Iteration 6 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:19,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:19,930 INFO L82 PathProgramCache]: Analyzing trace with hash 762088655, now seen corresponding path program 1 times [2020-12-22 15:58:19,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:19,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053165448] [2020-12-22 15:58:19,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:58:20,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053165448] [2020-12-22 15:58:20,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:20,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:20,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028599991] [2020-12-22 15:58:20,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:58:20,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:20,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:58:20,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:20,294 INFO L87 Difference]: Start difference. First operand 17010 states and 19493 transitions. Second operand 3 states. [2020-12-22 15:58:23,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:23,367 INFO L93 Difference]: Finished difference Result 42157 states and 48336 transitions. [2020-12-22 15:58:23,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:58:23,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-22 15:58:23,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:23,560 INFO L225 Difference]: With dead ends: 42157 [2020-12-22 15:58:23,560 INFO L226 Difference]: Without dead ends: 25265 [2020-12-22 15:58:23,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:23,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25265 states. [2020-12-22 15:58:24,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25265 to 25172. [2020-12-22 15:58:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25172 states. [2020-12-22 15:58:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25172 states to 25172 states and 28860 transitions. [2020-12-22 15:58:24,491 INFO L78 Accepts]: Start accepts. Automaton has 25172 states and 28860 transitions. Word has length 68 [2020-12-22 15:58:24,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:24,491 INFO L481 AbstractCegarLoop]: Abstraction has 25172 states and 28860 transitions. [2020-12-22 15:58:24,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:58:24,492 INFO L276 IsEmpty]: Start isEmpty. Operand 25172 states and 28860 transitions. [2020-12-22 15:58:24,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-22 15:58:24,493 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:24,493 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:24,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 15:58:24,495 INFO L429 AbstractCegarLoop]: === Iteration 7 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:24,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:24,496 INFO L82 PathProgramCache]: Analyzing trace with hash -443277702, now seen corresponding path program 1 times [2020-12-22 15:58:24,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:24,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414113479] [2020-12-22 15:58:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:58:24,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414113479] [2020-12-22 15:58:24,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:24,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:24,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925838414] [2020-12-22 15:58:24,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:58:24,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:24,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:58:24,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:58:24,949 INFO L87 Difference]: Start difference. First operand 25172 states and 28860 transitions. Second operand 4 states. [2020-12-22 15:58:26,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:26,322 INFO L93 Difference]: Finished difference Result 25172 states and 28860 transitions. [2020-12-22 15:58:26,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:58:26,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2020-12-22 15:58:26,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:26,387 INFO L225 Difference]: With dead ends: 25172 [2020-12-22 15:58:26,387 INFO L226 Difference]: Without dead ends: 25166 [2020-12-22 15:58:26,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:58:26,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25166 states. [2020-12-22 15:58:27,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25166 to 25166. [2020-12-22 15:58:27,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25166 states. [2020-12-22 15:58:27,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25166 states to 25166 states and 28854 transitions. [2020-12-22 15:58:27,457 INFO L78 Accepts]: Start accepts. Automaton has 25166 states and 28854 transitions. Word has length 69 [2020-12-22 15:58:27,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:27,458 INFO L481 AbstractCegarLoop]: Abstraction has 25166 states and 28854 transitions. [2020-12-22 15:58:27,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:58:27,458 INFO L276 IsEmpty]: Start isEmpty. Operand 25166 states and 28854 transitions. [2020-12-22 15:58:27,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-22 15:58:27,460 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:27,460 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:27,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 15:58:27,461 INFO L429 AbstractCegarLoop]: === Iteration 8 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:27,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:27,462 INFO L82 PathProgramCache]: Analyzing trace with hash -787889475, now seen corresponding path program 1 times [2020-12-22 15:58:27,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:27,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824102657] [2020-12-22 15:58:27,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:58:27,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824102657] [2020-12-22 15:58:27,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:27,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:27,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612503217] [2020-12-22 15:58:27,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:58:27,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:27,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:58:27,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:58:27,828 INFO L87 Difference]: Start difference. First operand 25166 states and 28854 transitions. Second operand 4 states. [2020-12-22 15:58:29,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:29,320 INFO L93 Difference]: Finished difference Result 25166 states and 28854 transitions. [2020-12-22 15:58:29,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:58:29,321 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 71 [2020-12-22 15:58:29,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:29,373 INFO L225 Difference]: With dead ends: 25166 [2020-12-22 15:58:29,374 INFO L226 Difference]: Without dead ends: 25160 [2020-12-22 15:58:29,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:58:29,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25160 states. [2020-12-22 15:58:30,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25160 to 25160. [2020-12-22 15:58:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25160 states. [2020-12-22 15:58:30,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25160 states to 25160 states and 28848 transitions. [2020-12-22 15:58:30,435 INFO L78 Accepts]: Start accepts. Automaton has 25160 states and 28848 transitions. Word has length 71 [2020-12-22 15:58:30,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:30,436 INFO L481 AbstractCegarLoop]: Abstraction has 25160 states and 28848 transitions. [2020-12-22 15:58:30,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:58:30,436 INFO L276 IsEmpty]: Start isEmpty. Operand 25160 states and 28848 transitions. [2020-12-22 15:58:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-22 15:58:30,438 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:30,439 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:30,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 15:58:30,439 INFO L429 AbstractCegarLoop]: === Iteration 9 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:30,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:30,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1247321216, now seen corresponding path program 1 times [2020-12-22 15:58:30,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:30,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260591621] [2020-12-22 15:58:30,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:58:30,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260591621] [2020-12-22 15:58:30,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:30,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:30,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969565083] [2020-12-22 15:58:30,791 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:58:30,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:30,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:58:30,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:58:30,792 INFO L87 Difference]: Start difference. First operand 25160 states and 28848 transitions. Second operand 4 states. [2020-12-22 15:58:32,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:32,071 INFO L93 Difference]: Finished difference Result 25160 states and 28848 transitions. [2020-12-22 15:58:32,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:58:32,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 73 [2020-12-22 15:58:32,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:32,128 INFO L225 Difference]: With dead ends: 25160 [2020-12-22 15:58:32,128 INFO L226 Difference]: Without dead ends: 25154 [2020-12-22 15:58:32,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:58:32,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25154 states. [2020-12-22 15:58:33,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25154 to 25154. [2020-12-22 15:58:33,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25154 states. [2020-12-22 15:58:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25154 states to 25154 states and 28842 transitions. [2020-12-22 15:58:33,132 INFO L78 Accepts]: Start accepts. Automaton has 25154 states and 28842 transitions. Word has length 73 [2020-12-22 15:58:33,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:33,132 INFO L481 AbstractCegarLoop]: Abstraction has 25154 states and 28842 transitions. [2020-12-22 15:58:33,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:58:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 25154 states and 28842 transitions. [2020-12-22 15:58:33,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-22 15:58:33,134 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:33,135 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:33,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 15:58:33,135 INFO L429 AbstractCegarLoop]: === Iteration 10 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:33,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:33,136 INFO L82 PathProgramCache]: Analyzing trace with hash -379592509, now seen corresponding path program 1 times [2020-12-22 15:58:33,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:33,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740950270] [2020-12-22 15:58:33,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:33,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:58:33,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740950270] [2020-12-22 15:58:33,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:33,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:33,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117823514] [2020-12-22 15:58:33,487 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:58:33,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:33,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:58:33,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:58:33,488 INFO L87 Difference]: Start difference. First operand 25154 states and 28842 transitions. Second operand 4 states. [2020-12-22 15:58:34,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:34,680 INFO L93 Difference]: Finished difference Result 25154 states and 28842 transitions. [2020-12-22 15:58:34,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:58:34,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 75 [2020-12-22 15:58:34,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:34,742 INFO L225 Difference]: With dead ends: 25154 [2020-12-22 15:58:34,742 INFO L226 Difference]: Without dead ends: 25148 [2020-12-22 15:58:34,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:58:34,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25148 states. [2020-12-22 15:58:35,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25148 to 25148. [2020-12-22 15:58:35,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25148 states. [2020-12-22 15:58:35,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25148 states to 25148 states and 28836 transitions. [2020-12-22 15:58:35,907 INFO L78 Accepts]: Start accepts. Automaton has 25148 states and 28836 transitions. Word has length 75 [2020-12-22 15:58:35,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:35,907 INFO L481 AbstractCegarLoop]: Abstraction has 25148 states and 28836 transitions. [2020-12-22 15:58:35,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:58:35,908 INFO L276 IsEmpty]: Start isEmpty. Operand 25148 states and 28836 transitions. [2020-12-22 15:58:35,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-22 15:58:35,909 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:35,910 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:35,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 15:58:35,910 INFO L429 AbstractCegarLoop]: === Iteration 11 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:35,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:35,911 INFO L82 PathProgramCache]: Analyzing trace with hash 284039814, now seen corresponding path program 1 times [2020-12-22 15:58:35,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:35,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48741869] [2020-12-22 15:58:35,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:58:36,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48741869] [2020-12-22 15:58:36,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:36,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:36,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323755441] [2020-12-22 15:58:36,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:58:36,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:36,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:58:36,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:58:36,279 INFO L87 Difference]: Start difference. First operand 25148 states and 28836 transitions. Second operand 4 states. [2020-12-22 15:58:37,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:37,705 INFO L93 Difference]: Finished difference Result 25148 states and 28836 transitions. [2020-12-22 15:58:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:58:37,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2020-12-22 15:58:37,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:37,755 INFO L225 Difference]: With dead ends: 25148 [2020-12-22 15:58:37,756 INFO L226 Difference]: Without dead ends: 25142 [2020-12-22 15:58:37,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:58:37,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25142 states. [2020-12-22 15:58:38,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25142 to 25142. [2020-12-22 15:58:38,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25142 states. [2020-12-22 15:58:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25142 states to 25142 states and 28830 transitions. [2020-12-22 15:58:38,817 INFO L78 Accepts]: Start accepts. Automaton has 25142 states and 28830 transitions. Word has length 77 [2020-12-22 15:58:38,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:38,817 INFO L481 AbstractCegarLoop]: Abstraction has 25142 states and 28830 transitions. [2020-12-22 15:58:38,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:58:38,822 INFO L276 IsEmpty]: Start isEmpty. Operand 25142 states and 28830 transitions. [2020-12-22 15:58:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-22 15:58:38,830 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:38,830 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:38,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 15:58:38,831 INFO L429 AbstractCegarLoop]: === Iteration 12 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:38,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:38,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1915424567, now seen corresponding path program 1 times [2020-12-22 15:58:38,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:38,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375535492] [2020-12-22 15:58:38,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:58:39,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375535492] [2020-12-22 15:58:39,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:39,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:39,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900660535] [2020-12-22 15:58:39,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:58:39,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:39,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:58:39,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:58:39,194 INFO L87 Difference]: Start difference. First operand 25142 states and 28830 transitions. Second operand 4 states. [2020-12-22 15:58:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:41,142 INFO L93 Difference]: Finished difference Result 25142 states and 28830 transitions. [2020-12-22 15:58:41,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:58:41,143 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2020-12-22 15:58:41,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:41,191 INFO L225 Difference]: With dead ends: 25142 [2020-12-22 15:58:41,191 INFO L226 Difference]: Without dead ends: 25136 [2020-12-22 15:58:41,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:58:41,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25136 states. [2020-12-22 15:58:42,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25136 to 25136. [2020-12-22 15:58:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25136 states. [2020-12-22 15:58:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25136 states to 25136 states and 28824 transitions. [2020-12-22 15:58:42,418 INFO L78 Accepts]: Start accepts. Automaton has 25136 states and 28824 transitions. Word has length 79 [2020-12-22 15:58:42,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:42,419 INFO L481 AbstractCegarLoop]: Abstraction has 25136 states and 28824 transitions. [2020-12-22 15:58:42,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:58:42,419 INFO L276 IsEmpty]: Start isEmpty. Operand 25136 states and 28824 transitions. [2020-12-22 15:58:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-22 15:58:42,421 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:42,421 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:42,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 15:58:42,422 INFO L429 AbstractCegarLoop]: === Iteration 13 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:42,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:42,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1818182540, now seen corresponding path program 1 times [2020-12-22 15:58:42,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:42,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867919721] [2020-12-22 15:58:42,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:42,746 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:58:42,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867919721] [2020-12-22 15:58:42,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:42,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:42,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296284158] [2020-12-22 15:58:42,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:58:42,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:42,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:58:42,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:58:42,748 INFO L87 Difference]: Start difference. First operand 25136 states and 28824 transitions. Second operand 4 states. [2020-12-22 15:58:44,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:44,339 INFO L93 Difference]: Finished difference Result 25136 states and 28824 transitions. [2020-12-22 15:58:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:58:44,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 81 [2020-12-22 15:58:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:44,388 INFO L225 Difference]: With dead ends: 25136 [2020-12-22 15:58:44,389 INFO L226 Difference]: Without dead ends: 25130 [2020-12-22 15:58:44,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:58:44,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25130 states. [2020-12-22 15:58:45,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25130 to 25130. [2020-12-22 15:58:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25130 states. [2020-12-22 15:58:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25130 states to 25130 states and 28818 transitions. [2020-12-22 15:58:45,686 INFO L78 Accepts]: Start accepts. Automaton has 25130 states and 28818 transitions. Word has length 81 [2020-12-22 15:58:45,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:45,687 INFO L481 AbstractCegarLoop]: Abstraction has 25130 states and 28818 transitions. [2020-12-22 15:58:45,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:58:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 25130 states and 28818 transitions. [2020-12-22 15:58:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-22 15:58:45,689 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:45,689 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 15:58:45,690 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 15:58:45,690 INFO L429 AbstractCegarLoop]: === Iteration 14 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:45,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:45,690 INFO L82 PathProgramCache]: Analyzing trace with hash -341996771, now seen corresponding path program 1 times [2020-12-22 15:58:45,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:45,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887646306] [2020-12-22 15:58:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 15:58:45,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887646306] [2020-12-22 15:58:45,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:45,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:45,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112545161] [2020-12-22 15:58:45,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:58:45,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:45,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:58:45,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:45,941 INFO L87 Difference]: Start difference. First operand 25130 states and 28818 transitions. Second operand 3 states. [2020-12-22 15:58:51,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:51,483 INFO L93 Difference]: Finished difference Result 52670 states and 60826 transitions. [2020-12-22 15:58:51,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:58:51,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-22 15:58:51,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:51,546 INFO L225 Difference]: With dead ends: 52670 [2020-12-22 15:58:51,546 INFO L226 Difference]: Without dead ends: 27658 [2020-12-22 15:58:51,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:58:51,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27658 states. [2020-12-22 15:58:53,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27658 to 26384. [2020-12-22 15:58:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26384 states. [2020-12-22 15:58:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26384 states to 26384 states and 30472 transitions. [2020-12-22 15:58:53,065 INFO L78 Accepts]: Start accepts. Automaton has 26384 states and 30472 transitions. Word has length 83 [2020-12-22 15:58:53,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:53,066 INFO L481 AbstractCegarLoop]: Abstraction has 26384 states and 30472 transitions. [2020-12-22 15:58:53,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:58:53,066 INFO L276 IsEmpty]: Start isEmpty. Operand 26384 states and 30472 transitions. [2020-12-22 15:58:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-22 15:58:53,068 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:53,068 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:53,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 15:58:53,068 INFO L429 AbstractCegarLoop]: === Iteration 15 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:53,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:53,069 INFO L82 PathProgramCache]: Analyzing trace with hash -778046769, now seen corresponding path program 1 times [2020-12-22 15:58:53,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:53,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554898984] [2020-12-22 15:58:53,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:58:53,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554898984] [2020-12-22 15:58:53,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:53,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:53,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597562728] [2020-12-22 15:58:53,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:58:53,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:53,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:58:53,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:58:53,398 INFO L87 Difference]: Start difference. First operand 26384 states and 30472 transitions. Second operand 4 states. [2020-12-22 15:58:54,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:54,821 INFO L93 Difference]: Finished difference Result 26384 states and 30472 transitions. [2020-12-22 15:58:54,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:58:54,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2020-12-22 15:58:54,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:54,853 INFO L225 Difference]: With dead ends: 26384 [2020-12-22 15:58:54,854 INFO L226 Difference]: Without dead ends: 26378 [2020-12-22 15:58:54,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:58:54,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26378 states. [2020-12-22 15:58:56,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26378 to 26378. [2020-12-22 15:58:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26378 states. [2020-12-22 15:58:56,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26378 states to 26378 states and 30466 transitions. [2020-12-22 15:58:56,072 INFO L78 Accepts]: Start accepts. Automaton has 26378 states and 30466 transitions. Word has length 83 [2020-12-22 15:58:56,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:56,072 INFO L481 AbstractCegarLoop]: Abstraction has 26378 states and 30466 transitions. [2020-12-22 15:58:56,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:58:56,072 INFO L276 IsEmpty]: Start isEmpty. Operand 26378 states and 30466 transitions. [2020-12-22 15:58:56,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-22 15:58:56,074 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:56,074 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:56,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 15:58:56,074 INFO L429 AbstractCegarLoop]: === Iteration 16 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:56,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:56,075 INFO L82 PathProgramCache]: Analyzing trace with hash -378413422, now seen corresponding path program 1 times [2020-12-22 15:58:56,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:56,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796122722] [2020-12-22 15:58:56,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:58:56,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796122722] [2020-12-22 15:58:56,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:56,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:56,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637394694] [2020-12-22 15:58:56,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:58:56,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:56,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:58:56,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:58:56,578 INFO L87 Difference]: Start difference. First operand 26378 states and 30466 transitions. Second operand 4 states. [2020-12-22 15:58:58,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:58:58,065 INFO L93 Difference]: Finished difference Result 27684 states and 31866 transitions. [2020-12-22 15:58:58,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:58:58,066 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2020-12-22 15:58:58,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:58:58,113 INFO L225 Difference]: With dead ends: 27684 [2020-12-22 15:58:58,114 INFO L226 Difference]: Without dead ends: 27678 [2020-12-22 15:58:58,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:58:58,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27678 states. [2020-12-22 15:58:59,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27678 to 26372. [2020-12-22 15:58:59,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26372 states. [2020-12-22 15:58:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26372 states to 26372 states and 30460 transitions. [2020-12-22 15:58:59,359 INFO L78 Accepts]: Start accepts. Automaton has 26372 states and 30460 transitions. Word has length 85 [2020-12-22 15:58:59,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:58:59,359 INFO L481 AbstractCegarLoop]: Abstraction has 26372 states and 30460 transitions. [2020-12-22 15:58:59,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:58:59,360 INFO L276 IsEmpty]: Start isEmpty. Operand 26372 states and 30460 transitions. [2020-12-22 15:58:59,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-22 15:58:59,362 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:58:59,362 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:58:59,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 15:58:59,363 INFO L429 AbstractCegarLoop]: === Iteration 17 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:58:59,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:58:59,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1417144021, now seen corresponding path program 1 times [2020-12-22 15:58:59,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:58:59,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383314452] [2020-12-22 15:58:59,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:58:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:58:59,714 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:58:59,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383314452] [2020-12-22 15:58:59,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:58:59,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:58:59,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595562531] [2020-12-22 15:58:59,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:58:59,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:58:59,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:58:59,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:58:59,722 INFO L87 Difference]: Start difference. First operand 26372 states and 30460 transitions. Second operand 4 states. [2020-12-22 15:59:01,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:59:01,862 INFO L93 Difference]: Finished difference Result 26372 states and 30460 transitions. [2020-12-22 15:59:01,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:59:01,863 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 87 [2020-12-22 15:59:01,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:59:01,901 INFO L225 Difference]: With dead ends: 26372 [2020-12-22 15:59:01,901 INFO L226 Difference]: Without dead ends: 26366 [2020-12-22 15:59:01,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:59:01,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26366 states. [2020-12-22 15:59:03,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26366 to 26366. [2020-12-22 15:59:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26366 states. [2020-12-22 15:59:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26366 states to 26366 states and 30454 transitions. [2020-12-22 15:59:03,148 INFO L78 Accepts]: Start accepts. Automaton has 26366 states and 30454 transitions. Word has length 87 [2020-12-22 15:59:03,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:59:03,149 INFO L481 AbstractCegarLoop]: Abstraction has 26366 states and 30454 transitions. [2020-12-22 15:59:03,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:59:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 26366 states and 30454 transitions. [2020-12-22 15:59:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-22 15:59:03,150 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:59:03,150 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:59:03,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 15:59:03,151 INFO L429 AbstractCegarLoop]: === Iteration 18 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:59:03,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:59:03,152 INFO L82 PathProgramCache]: Analyzing trace with hash 370994072, now seen corresponding path program 1 times [2020-12-22 15:59:03,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:59:03,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335961562] [2020-12-22 15:59:03,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:59:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:59:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:59:03,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335961562] [2020-12-22 15:59:03,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:59:03,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:59:03,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262936586] [2020-12-22 15:59:03,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:59:03,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:59:03,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:59:03,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:59:03,445 INFO L87 Difference]: Start difference. First operand 26366 states and 30454 transitions. Second operand 4 states. [2020-12-22 15:59:05,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:59:05,151 INFO L93 Difference]: Finished difference Result 26366 states and 30454 transitions. [2020-12-22 15:59:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:59:05,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2020-12-22 15:59:05,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:59:05,191 INFO L225 Difference]: With dead ends: 26366 [2020-12-22 15:59:05,191 INFO L226 Difference]: Without dead ends: 26360 [2020-12-22 15:59:05,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:59:05,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26360 states. [2020-12-22 15:59:06,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26360 to 26360. [2020-12-22 15:59:06,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26360 states. [2020-12-22 15:59:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26360 states to 26360 states and 30448 transitions. [2020-12-22 15:59:06,599 INFO L78 Accepts]: Start accepts. Automaton has 26360 states and 30448 transitions. Word has length 89 [2020-12-22 15:59:06,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:59:06,600 INFO L481 AbstractCegarLoop]: Abstraction has 26360 states and 30448 transitions. [2020-12-22 15:59:06,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:59:06,600 INFO L276 IsEmpty]: Start isEmpty. Operand 26360 states and 30448 transitions. [2020-12-22 15:59:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-22 15:59:06,602 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:59:06,603 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 15:59:06,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 15:59:06,603 INFO L429 AbstractCegarLoop]: === Iteration 19 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:59:06,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:59:06,604 INFO L82 PathProgramCache]: Analyzing trace with hash 43240667, now seen corresponding path program 1 times [2020-12-22 15:59:06,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:59:06,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610704453] [2020-12-22 15:59:06,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:59:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:59:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-22 15:59:06,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610704453] [2020-12-22 15:59:06,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:59:06,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:59:06,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979494987] [2020-12-22 15:59:06,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:59:06,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:59:06,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:59:06,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:59:06,887 INFO L87 Difference]: Start difference. First operand 26360 states and 30448 transitions. Second operand 4 states. [2020-12-22 15:59:08,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:59:08,449 INFO L93 Difference]: Finished difference Result 26360 states and 30448 transitions. [2020-12-22 15:59:08,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 15:59:08,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2020-12-22 15:59:08,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:59:08,491 INFO L225 Difference]: With dead ends: 26360 [2020-12-22 15:59:08,491 INFO L226 Difference]: Without dead ends: 26201 [2020-12-22 15:59:08,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:59:08,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26201 states. [2020-12-22 15:59:10,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26201 to 26201. [2020-12-22 15:59:10,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26201 states. [2020-12-22 15:59:10,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26201 states to 26201 states and 30226 transitions. [2020-12-22 15:59:10,076 INFO L78 Accepts]: Start accepts. Automaton has 26201 states and 30226 transitions. Word has length 91 [2020-12-22 15:59:10,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:59:10,076 INFO L481 AbstractCegarLoop]: Abstraction has 26201 states and 30226 transitions. [2020-12-22 15:59:10,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:59:10,076 INFO L276 IsEmpty]: Start isEmpty. Operand 26201 states and 30226 transitions. [2020-12-22 15:59:10,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 15:59:10,080 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:59:10,081 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-12-22 15:59:10,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-22 15:59:10,081 INFO L429 AbstractCegarLoop]: === Iteration 20 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:59:10,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:59:10,082 INFO L82 PathProgramCache]: Analyzing trace with hash 320811676, now seen corresponding path program 1 times [2020-12-22 15:59:10,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:59:10,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647769609] [2020-12-22 15:59:10,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:59:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:59:10,456 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 15:59:10,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647769609] [2020-12-22 15:59:10,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:59:10,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:59:10,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473034163] [2020-12-22 15:59:10,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:59:10,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:59:10,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:59:10,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:59:10,459 INFO L87 Difference]: Start difference. First operand 26201 states and 30226 transitions. Second operand 3 states. [2020-12-22 15:59:16,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:59:16,199 INFO L93 Difference]: Finished difference Result 54709 states and 63475 transitions. [2020-12-22 15:59:16,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:59:16,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-22 15:59:16,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:59:16,376 INFO L225 Difference]: With dead ends: 54709 [2020-12-22 15:59:16,376 INFO L226 Difference]: Without dead ends: 28573 [2020-12-22 15:59:16,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:59:16,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28573 states. [2020-12-22 15:59:17,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28573 to 27354. [2020-12-22 15:59:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27354 states. [2020-12-22 15:59:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27354 states to 27354 states and 31744 transitions. [2020-12-22 15:59:17,821 INFO L78 Accepts]: Start accepts. Automaton has 27354 states and 31744 transitions. Word has length 112 [2020-12-22 15:59:17,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:59:17,822 INFO L481 AbstractCegarLoop]: Abstraction has 27354 states and 31744 transitions. [2020-12-22 15:59:17,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:59:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 27354 states and 31744 transitions. [2020-12-22 15:59:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 15:59:17,825 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:59:17,826 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-12-22 15:59:17,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-22 15:59:17,826 INFO L429 AbstractCegarLoop]: === Iteration 21 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:59:17,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:59:17,827 INFO L82 PathProgramCache]: Analyzing trace with hash -2050927586, now seen corresponding path program 1 times [2020-12-22 15:59:17,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:59:17,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074799618] [2020-12-22 15:59:17,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:59:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:59:18,085 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 15:59:18,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074799618] [2020-12-22 15:59:18,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:59:18,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:59:18,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130886763] [2020-12-22 15:59:18,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:59:18,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:59:18,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:59:18,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:59:18,088 INFO L87 Difference]: Start difference. First operand 27354 states and 31744 transitions. Second operand 3 states. [2020-12-22 15:59:24,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:59:24,025 INFO L93 Difference]: Finished difference Result 59103 states and 69079 transitions. [2020-12-22 15:59:24,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:59:24,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-22 15:59:24,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:59:24,068 INFO L225 Difference]: With dead ends: 59103 [2020-12-22 15:59:24,068 INFO L226 Difference]: Without dead ends: 31867 [2020-12-22 15:59:24,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:59:24,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31867 states. [2020-12-22 15:59:25,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31867 to 28596. [2020-12-22 15:59:25,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28596 states. [2020-12-22 15:59:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28596 states to 28596 states and 33370 transitions. [2020-12-22 15:59:25,857 INFO L78 Accepts]: Start accepts. Automaton has 28596 states and 33370 transitions. Word has length 112 [2020-12-22 15:59:25,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:59:25,857 INFO L481 AbstractCegarLoop]: Abstraction has 28596 states and 33370 transitions. [2020-12-22 15:59:25,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:59:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 28596 states and 33370 transitions. [2020-12-22 15:59:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-22 15:59:25,862 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:59:25,862 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 15:59:25,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-22 15:59:25,863 INFO L429 AbstractCegarLoop]: === Iteration 22 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:59:25,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:59:25,863 INFO L82 PathProgramCache]: Analyzing trace with hash 2087888917, now seen corresponding path program 1 times [2020-12-22 15:59:25,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:59:25,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819734302] [2020-12-22 15:59:25,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:59:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:59:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 15:59:26,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819734302] [2020-12-22 15:59:26,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:59:26,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:59:26,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257051247] [2020-12-22 15:59:26,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:59:26,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:59:26,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:59:26,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:59:26,141 INFO L87 Difference]: Start difference. First operand 28596 states and 33370 transitions. Second operand 3 states. [2020-12-22 15:59:31,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:59:31,982 INFO L93 Difference]: Finished difference Result 59523 states and 69811 transitions. [2020-12-22 15:59:31,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:59:31,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-12-22 15:59:31,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:59:32,032 INFO L225 Difference]: With dead ends: 59523 [2020-12-22 15:59:32,033 INFO L226 Difference]: Without dead ends: 31045 [2020-12-22 15:59:32,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:59:32,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31045 states. [2020-12-22 15:59:33,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31045 to 29826. [2020-12-22 15:59:33,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29826 states. [2020-12-22 15:59:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29826 states to 29826 states and 34984 transitions. [2020-12-22 15:59:33,815 INFO L78 Accepts]: Start accepts. Automaton has 29826 states and 34984 transitions. Word has length 154 [2020-12-22 15:59:33,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:59:33,815 INFO L481 AbstractCegarLoop]: Abstraction has 29826 states and 34984 transitions. [2020-12-22 15:59:33,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:59:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 29826 states and 34984 transitions. [2020-12-22 15:59:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-22 15:59:33,820 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:59:33,820 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 15:59:33,821 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-22 15:59:33,821 INFO L429 AbstractCegarLoop]: === Iteration 23 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:59:33,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:59:33,821 INFO L82 PathProgramCache]: Analyzing trace with hash 164660883, now seen corresponding path program 1 times [2020-12-22 15:59:33,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:59:33,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555961465] [2020-12-22 15:59:33,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:59:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:59:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 15:59:34,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555961465] [2020-12-22 15:59:34,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:59:34,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:59:34,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248368671] [2020-12-22 15:59:34,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 15:59:34,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:59:34,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 15:59:34,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:59:34,082 INFO L87 Difference]: Start difference. First operand 29826 states and 34984 transitions. Second operand 3 states. [2020-12-22 15:59:40,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:59:40,224 INFO L93 Difference]: Finished difference Result 61971 states and 73015 transitions. [2020-12-22 15:59:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 15:59:40,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2020-12-22 15:59:40,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:59:40,269 INFO L225 Difference]: With dead ends: 61971 [2020-12-22 15:59:40,269 INFO L226 Difference]: Without dead ends: 32263 [2020-12-22 15:59:40,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 15:59:40,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32263 states. [2020-12-22 15:59:41,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32263 to 31044. [2020-12-22 15:59:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31044 states. [2020-12-22 15:59:41,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31044 states to 31044 states and 36586 transitions. [2020-12-22 15:59:41,868 INFO L78 Accepts]: Start accepts. Automaton has 31044 states and 36586 transitions. Word has length 154 [2020-12-22 15:59:41,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:59:41,869 INFO L481 AbstractCegarLoop]: Abstraction has 31044 states and 36586 transitions. [2020-12-22 15:59:41,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 15:59:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 31044 states and 36586 transitions. [2020-12-22 15:59:41,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-22 15:59:41,875 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:59:41,876 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-22 15:59:41,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-22 15:59:41,876 INFO L429 AbstractCegarLoop]: === Iteration 24 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:59:41,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:59:41,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1009439232, now seen corresponding path program 1 times [2020-12-22 15:59:41,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:59:41,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065634610] [2020-12-22 15:59:41,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:59:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:59:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-22 15:59:42,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065634610] [2020-12-22 15:59:42,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:59:42,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 15:59:42,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488624106] [2020-12-22 15:59:42,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:59:42,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:59:42,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:59:42,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:59:42,486 INFO L87 Difference]: Start difference. First operand 31044 states and 36586 transitions. Second operand 4 states. [2020-12-22 15:59:45,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:59:45,270 INFO L93 Difference]: Finished difference Result 50188 states and 59729 transitions. [2020-12-22 15:59:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 15:59:45,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 179 [2020-12-22 15:59:45,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:59:45,344 INFO L225 Difference]: With dead ends: 50188 [2020-12-22 15:59:45,344 INFO L226 Difference]: Without dead ends: 50176 [2020-12-22 15:59:45,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:59:45,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50176 states. [2020-12-22 15:59:47,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50176 to 31032. [2020-12-22 15:59:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31032 states. [2020-12-22 15:59:47,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31032 states to 31032 states and 36541 transitions. [2020-12-22 15:59:47,396 INFO L78 Accepts]: Start accepts. Automaton has 31032 states and 36541 transitions. Word has length 179 [2020-12-22 15:59:47,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 15:59:47,397 INFO L481 AbstractCegarLoop]: Abstraction has 31032 states and 36541 transitions. [2020-12-22 15:59:47,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 15:59:47,397 INFO L276 IsEmpty]: Start isEmpty. Operand 31032 states and 36541 transitions. [2020-12-22 15:59:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-12-22 15:59:47,411 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 15:59:47,411 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2020-12-22 15:59:47,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-22 15:59:47,412 INFO L429 AbstractCegarLoop]: === Iteration 25 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 15:59:47,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 15:59:47,413 INFO L82 PathProgramCache]: Analyzing trace with hash 188692358, now seen corresponding path program 1 times [2020-12-22 15:59:47,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 15:59:47,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404036855] [2020-12-22 15:59:47,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 15:59:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 15:59:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 15:59:47,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404036855] [2020-12-22 15:59:47,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 15:59:47,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 15:59:47,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186350664] [2020-12-22 15:59:47,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 15:59:47,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 15:59:47,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 15:59:47,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 15:59:47,899 INFO L87 Difference]: Start difference. First operand 31032 states and 36541 transitions. Second operand 4 states. [2020-12-22 15:59:57,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 15:59:57,339 INFO L93 Difference]: Finished difference Result 123314 states and 147421 transitions. [2020-12-22 15:59:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 15:59:57,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 225 [2020-12-22 15:59:57,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 15:59:57,677 INFO L225 Difference]: With dead ends: 123314 [2020-12-22 15:59:57,677 INFO L226 Difference]: Without dead ends: 92400 [2020-12-22 15:59:57,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 15:59:57,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92400 states. [2020-12-22 16:00:00,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92400 to 31056. [2020-12-22 16:00:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31056 states. [2020-12-22 16:00:00,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31056 states to 31056 states and 36565 transitions. [2020-12-22 16:00:00,446 INFO L78 Accepts]: Start accepts. Automaton has 31056 states and 36565 transitions. Word has length 225 [2020-12-22 16:00:00,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:00:00,447 INFO L481 AbstractCegarLoop]: Abstraction has 31056 states and 36565 transitions. [2020-12-22 16:00:00,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 16:00:00,447 INFO L276 IsEmpty]: Start isEmpty. Operand 31056 states and 36565 transitions. [2020-12-22 16:00:00,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-12-22 16:00:00,460 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:00:00,460 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:00:00,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-22 16:00:00,461 INFO L429 AbstractCegarLoop]: === Iteration 26 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:00:00,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:00:00,461 INFO L82 PathProgramCache]: Analyzing trace with hash 301849591, now seen corresponding path program 1 times [2020-12-22 16:00:00,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:00:00,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957551980] [2020-12-22 16:00:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:00:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:00:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 16:00:00,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957551980] [2020-12-22 16:00:00,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:00:00,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:00:00,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849972097] [2020-12-22 16:00:00,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:00:00,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:00:00,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:00:00,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:00:00,846 INFO L87 Difference]: Start difference. First operand 31056 states and 36565 transitions. Second operand 3 states. [2020-12-22 16:00:05,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:00:05,416 INFO L93 Difference]: Finished difference Result 89082 states and 105206 transitions. [2020-12-22 16:00:05,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:00:05,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2020-12-22 16:00:05,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:00:05,525 INFO L225 Difference]: With dead ends: 89082 [2020-12-22 16:00:05,525 INFO L226 Difference]: Without dead ends: 58144 [2020-12-22 16:00:05,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:00:05,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58144 states. [2020-12-22 16:00:08,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58144 to 31464. [2020-12-22 16:00:08,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31464 states. [2020-12-22 16:00:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31464 states to 31464 states and 36997 transitions. [2020-12-22 16:00:08,239 INFO L78 Accepts]: Start accepts. Automaton has 31464 states and 36997 transitions. Word has length 248 [2020-12-22 16:00:08,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:00:08,241 INFO L481 AbstractCegarLoop]: Abstraction has 31464 states and 36997 transitions. [2020-12-22 16:00:08,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:00:08,241 INFO L276 IsEmpty]: Start isEmpty. Operand 31464 states and 36997 transitions. [2020-12-22 16:00:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-12-22 16:00:08,253 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:00:08,254 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:00:08,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-22 16:00:08,254 INFO L429 AbstractCegarLoop]: === Iteration 27 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:00:08,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:00:08,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1686017819, now seen corresponding path program 1 times [2020-12-22 16:00:08,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:00:08,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265928024] [2020-12-22 16:00:08,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:00:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:00:08,645 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 16:00:08,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265928024] [2020-12-22 16:00:08,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 16:00:08,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 16:00:08,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770922833] [2020-12-22 16:00:08,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:00:08,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:00:08,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:00:08,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:00:08,647 INFO L87 Difference]: Start difference. First operand 31464 states and 36997 transitions. Second operand 3 states. [2020-12-22 16:00:13,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:00:13,288 INFO L93 Difference]: Finished difference Result 62942 states and 74014 transitions. [2020-12-22 16:00:13,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:00:13,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 257 [2020-12-22 16:00:13,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:00:13,330 INFO L225 Difference]: With dead ends: 62942 [2020-12-22 16:00:13,330 INFO L226 Difference]: Without dead ends: 31596 [2020-12-22 16:00:13,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 16:00:13,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31596 states. [2020-12-22 16:00:15,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31596 to 31488. [2020-12-22 16:00:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31488 states. [2020-12-22 16:00:16,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31488 states to 31488 states and 37021 transitions. [2020-12-22 16:00:16,028 INFO L78 Accepts]: Start accepts. Automaton has 31488 states and 37021 transitions. Word has length 257 [2020-12-22 16:00:16,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:00:16,028 INFO L481 AbstractCegarLoop]: Abstraction has 31488 states and 37021 transitions. [2020-12-22 16:00:16,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:00:16,029 INFO L276 IsEmpty]: Start isEmpty. Operand 31488 states and 37021 transitions. [2020-12-22 16:00:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-22 16:00:16,040 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:00:16,040 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:00:16,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-22 16:00:16,041 INFO L429 AbstractCegarLoop]: === Iteration 28 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:00:16,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:00:16,041 INFO L82 PathProgramCache]: Analyzing trace with hash -651856624, now seen corresponding path program 1 times [2020-12-22 16:00:16,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:00:16,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067959872] [2020-12-22 16:00:16,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:00:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:00:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-22 16:00:16,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067959872] [2020-12-22 16:00:16,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106066927] [2020-12-22 16:00:16,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 16:00:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:00:18,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 5051 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 16:00:18,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 16:00:19,065 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-22 16:00:19,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 16:00:19,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-22 16:00:19,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275444890] [2020-12-22 16:00:19,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:00:19,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:00:19,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:00:19,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 16:00:19,068 INFO L87 Difference]: Start difference. First operand 31488 states and 37021 transitions. Second operand 3 states. [2020-12-22 16:00:23,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:00:23,582 INFO L93 Difference]: Finished difference Result 86850 states and 102590 transitions. [2020-12-22 16:00:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:00:23,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2020-12-22 16:00:23,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:00:23,661 INFO L225 Difference]: With dead ends: 86850 [2020-12-22 16:00:23,661 INFO L226 Difference]: Without dead ends: 55480 [2020-12-22 16:00:23,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 16:00:23,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55480 states. [2020-12-22 16:00:26,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55480 to 31512. [2020-12-22 16:00:26,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31512 states. [2020-12-22 16:00:26,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31512 states to 31512 states and 37057 transitions. [2020-12-22 16:00:26,489 INFO L78 Accepts]: Start accepts. Automaton has 31512 states and 37057 transitions. Word has length 268 [2020-12-22 16:00:26,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:00:26,490 INFO L481 AbstractCegarLoop]: Abstraction has 31512 states and 37057 transitions. [2020-12-22 16:00:26,490 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:00:26,490 INFO L276 IsEmpty]: Start isEmpty. Operand 31512 states and 37057 transitions. [2020-12-22 16:00:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-22 16:00:26,500 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:00:26,500 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:00:26,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-12-22 16:00:26,711 INFO L429 AbstractCegarLoop]: === Iteration 29 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:00:26,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:00:26,711 INFO L82 PathProgramCache]: Analyzing trace with hash 302083534, now seen corresponding path program 1 times [2020-12-22 16:00:26,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:00:26,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508936125] [2020-12-22 16:00:26,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:00:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:00:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-22 16:00:27,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508936125] [2020-12-22 16:00:27,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938206441] [2020-12-22 16:00:27,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 16:00:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:00:29,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 5051 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 16:00:29,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 16:00:29,776 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-22 16:00:29,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 16:00:29,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-22 16:00:29,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608607423] [2020-12-22 16:00:29,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:00:29,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:00:29,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:00:29,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 16:00:29,778 INFO L87 Difference]: Start difference. First operand 31512 states and 37057 transitions. Second operand 3 states. [2020-12-22 16:00:34,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:00:34,847 INFO L93 Difference]: Finished difference Result 89514 states and 105542 transitions. [2020-12-22 16:00:34,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:00:34,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2020-12-22 16:00:34,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:00:34,929 INFO L225 Difference]: With dead ends: 89514 [2020-12-22 16:00:34,929 INFO L226 Difference]: Without dead ends: 58120 [2020-12-22 16:00:34,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 16:00:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58120 states. [2020-12-22 16:00:38,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58120 to 34128. [2020-12-22 16:00:38,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34128 states. [2020-12-22 16:00:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34128 states to 34128 states and 39913 transitions. [2020-12-22 16:00:38,317 INFO L78 Accepts]: Start accepts. Automaton has 34128 states and 39913 transitions. Word has length 268 [2020-12-22 16:00:38,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:00:38,318 INFO L481 AbstractCegarLoop]: Abstraction has 34128 states and 39913 transitions. [2020-12-22 16:00:38,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:00:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 34128 states and 39913 transitions. [2020-12-22 16:00:38,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-12-22 16:00:38,325 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:00:38,326 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 16:00:38,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-12-22 16:00:38,527 INFO L429 AbstractCegarLoop]: === Iteration 30 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr0ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr2ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr1ASSERT_VIOLATIONERROR_FUNCTION, axnet_tx_timeoutErr3ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 16:00:38,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 16:00:38,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1113531455, now seen corresponding path program 1 times [2020-12-22 16:00:38,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 16:00:38,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568273232] [2020-12-22 16:00:38,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 16:00:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:00:38,925 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-22 16:00:38,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568273232] [2020-12-22 16:00:38,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737294183] [2020-12-22 16:00:38,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 16:00:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 16:00:41,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 5120 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 16:00:41,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 16:00:41,334 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-22 16:00:41,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 16:00:41,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-22 16:00:41,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130766391] [2020-12-22 16:00:41,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 16:00:41,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 16:00:41,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 16:00:41,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 16:00:41,336 INFO L87 Difference]: Start difference. First operand 34128 states and 39913 transitions. Second operand 3 states. [2020-12-22 16:00:44,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 16:00:44,719 INFO L93 Difference]: Finished difference Result 69362 states and 80878 transitions. [2020-12-22 16:00:44,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 16:00:44,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2020-12-22 16:00:44,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 16:00:44,768 INFO L225 Difference]: With dead ends: 69362 [2020-12-22 16:00:44,769 INFO L226 Difference]: Without dead ends: 35352 [2020-12-22 16:00:44,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 16:00:44,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35352 states. [2020-12-22 16:00:47,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35352 to 33768. [2020-12-22 16:00:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33768 states. [2020-12-22 16:00:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33768 states to 33768 states and 39337 transitions. [2020-12-22 16:00:47,921 INFO L78 Accepts]: Start accepts. Automaton has 33768 states and 39337 transitions. Word has length 281 [2020-12-22 16:00:47,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 16:00:47,921 INFO L481 AbstractCegarLoop]: Abstraction has 33768 states and 39337 transitions. [2020-12-22 16:00:47,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 16:00:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 33768 states and 39337 transitions. [2020-12-22 16:00:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-12-22 16:00:47,927 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 16:00:47,927 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]