/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:31:02,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:31:02,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:31:02,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:31:02,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:31:02,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:31:02,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:31:02,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:31:02,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:31:02,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:31:02,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:31:02,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:31:02,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:31:02,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:31:02,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:31:02,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:31:02,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:31:02,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:31:02,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:31:02,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:31:02,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:31:02,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:31:02,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:31:02,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:31:02,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:31:02,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:31:02,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:31:02,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:31:02,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:31:02,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:31:02,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:31:02,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:31:02,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:31:02,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:31:02,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:31:02,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:31:02,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:31:02,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:31:02,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:31:02,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:31:02,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:31:02,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 08:31:02,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:31:02,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:31:02,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:31:02,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:31:02,352 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:31:02,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:31:02,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:31:02,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:31:02,352 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:31:02,353 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:31:02,353 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:31:02,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:31:02,353 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:31:02,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:31:02,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:31:02,354 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:31:02,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:31:02,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:31:02,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:31:02,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:31:02,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:31:02,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:31:02,355 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:31:02,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:31:02,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:31:02,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:31:02,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 08:31:02,356 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 08:31:02,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:31:02,843 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:31:02,847 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:31:02,849 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:31:02,849 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:31:02,850 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 08:31:02,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82725c894/aeb7fa69a7f14d3ea36fe27c075ee2f8/FLAGf91916adb [2020-09-25 08:31:03,788 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:31:03,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 08:31:03,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82725c894/aeb7fa69a7f14d3ea36fe27c075ee2f8/FLAGf91916adb [2020-09-25 08:31:04,340 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/82725c894/aeb7fa69a7f14d3ea36fe27c075ee2f8 [2020-09-25 08:31:04,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:31:04,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:31:04,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:31:04,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:31:04,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:31:04,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:31:04" (1/1) ... [2020-09-25 08:31:04,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef601eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:04, skipping insertion in model container [2020-09-25 08:31:04,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:31:04" (1/1) ... [2020-09-25 08:31:04,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:31:04,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:31:05,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:31:05,995 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:31:06,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:31:06,318 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:31:06,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:06 WrapperNode [2020-09-25 08:31:06,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:31:06,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:31:06,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:31:06,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:31:06,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:06" (1/1) ... [2020-09-25 08:31:06,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:06" (1/1) ... [2020-09-25 08:31:06,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:06" (1/1) ... [2020-09-25 08:31:06,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:06" (1/1) ... [2020-09-25 08:31:06,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:06" (1/1) ... [2020-09-25 08:31:06,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:06" (1/1) ... [2020-09-25 08:31:06,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:06" (1/1) ... [2020-09-25 08:31:06,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:31:06,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:31:06,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:31:06,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:31:06,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-25 08:31:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:31:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:31:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-25 08:31:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-25 08:31:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-25 08:31:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-25 08:31:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-25 08:31:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 08:31:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 08:31:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 08:31:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 08:31:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 08:31:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 08:31:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 08:31:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 08:31:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 08:31:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 08:31:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 08:31:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 08:31:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 08:31:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 08:31:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-25 08:31:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 08:31:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-25 08:31:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-25 08:31:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-25 08:31:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-25 08:31:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-25 08:31:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-25 08:31:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-25 08:31:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-25 08:31:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-25 08:31:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-25 08:31:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-25 08:31:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-25 08:31:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-25 08:31:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-25 08:31:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-25 08:31:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-25 08:31:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:31:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 08:31:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 08:31:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 08:31:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 08:31:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 08:31:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12 [2020-09-25 08:31:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_13 [2020-09-25 08:31:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_14 [2020-09-25 08:31:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 08:31:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 08:31:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 08:31:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 08:31:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 08:31:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 08:31:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 08:31:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 08:31:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 08:31:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 08:31:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 08:31:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 08:31:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 08:31:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 08:31:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 08:31:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 08:31:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 08:31:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 08:31:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 08:31:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 08:31:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-25 08:31:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-25 08:31:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-25 08:31:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 08:31:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-25 08:31:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-25 08:31:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 08:31:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-25 08:31:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-25 08:31:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 08:31:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-25 08:31:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 08:31:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 08:31:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 08:31:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 08:31:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:31:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 08:31:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 08:31:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 08:31:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 08:31:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-25 08:31:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-25 08:31:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-25 08:31:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-25 08:31:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 08:31:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-25 08:31:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-25 08:31:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 08:31:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-25 08:31:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 08:31:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 08:31:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 08:31:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 08:31:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 08:31:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 08:31:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 08:31:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 08:31:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 08:31:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 08:31:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 08:31:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 08:31:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 08:31:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 08:31:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:31:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 08:31:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:31:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 08:31:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 08:31:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 08:31:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:31:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 08:31:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 08:31:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 08:31:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 08:31:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 08:31:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 08:31:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-25 08:31:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-25 08:31:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-25 08:31:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-25 08:31:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-25 08:31:06,729 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-25 08:31:06,730 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-25 08:31:06,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_12 [2020-09-25 08:31:06,730 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-25 08:31:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_13 [2020-09-25 08:31:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_14 [2020-09-25 08:31:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-25 08:31:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-25 08:31:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 08:31:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 08:31:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 08:31:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 08:31:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 08:31:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-25 08:31:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-25 08:31:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-25 08:31:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-25 08:31:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-25 08:31:06,740 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-25 08:31:06,740 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-25 08:31:06,741 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-25 08:31:06,741 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-25 08:31:06,741 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-25 08:31:06,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:31:06,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:31:06,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:31:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:31:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:31:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:31:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-25 08:31:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-25 08:31:06,742 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-25 08:31:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 08:31:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 08:31:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:31:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 08:31:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 08:31:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 08:31:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 08:31:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 08:31:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 08:31:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 08:31:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 08:31:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 08:31:06,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 08:31:06,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 08:31:06,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 08:31:06,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 08:31:06,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 08:31:06,745 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:31:06,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:31:06,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:31:06,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:31:06,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 08:31:06,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 08:31:06,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 08:31:06,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 08:31:07,595 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 08:31:09,614 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:31:09,614 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:31:09,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:31:09 BoogieIcfgContainer [2020-09-25 08:31:09,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:31:09,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:31:09,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:31:09,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:31:09,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:31:04" (1/3) ... [2020-09-25 08:31:09,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622351ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:31:09, skipping insertion in model container [2020-09-25 08:31:09,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:31:06" (2/3) ... [2020-09-25 08:31:09,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622351ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:31:09, skipping insertion in model container [2020-09-25 08:31:09,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:31:09" (3/3) ... [2020-09-25 08:31:09,639 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 08:31:09,650 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:31:09,662 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:31:09,686 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:31:09,722 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:31:09,722 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:31:09,722 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:31:09,722 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:31:09,722 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:31:09,722 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:31:09,723 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:31:09,723 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:31:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states. [2020-09-25 08:31:09,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-09-25 08:31:09,790 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:31:09,792 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:31:09,792 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:31:09,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:31:09,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1326592749, now seen corresponding path program 1 times [2020-09-25 08:31:09,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:31:09,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812660243] [2020-09-25 08:31:09,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:31:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:10,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:11,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:15,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:15,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-09-25 08:31:15,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:31:15,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5123 [2020-09-25 08:31:15,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:15,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 289 [2020-09-25 08:31:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:31:15,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:31:17,792 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 526 [2020-09-25 08:31:17,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:17,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:18,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:18,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 08:31:18,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:18,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 513 [2020-09-25 08:31:18,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:18,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:18,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:18,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:18,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:18,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:18,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-25 08:31:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:18,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:18,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:18,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 08:31:18,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:18,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 08:31:18,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:18,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:18,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:18,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:18,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:18,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:18,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:31:18,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:18,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 08:31:18,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:18,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:18,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:18,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:18,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:18,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:18,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-09-25 08:31:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:18,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:18,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:18,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:31:18,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:18,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 08:31:18,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:18,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:18,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:31:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:18,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:18,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-09-25 08:31:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:18,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:18,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:18,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:18,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:18,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 08:31:18,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:18,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 08:31:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:31:18,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812660243] [2020-09-25 08:31:18,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:31:18,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:31:18,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898396909] [2020-09-25 08:31:19,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:31:19,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:31:19,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:31:19,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:31:19,032 INFO L87 Difference]: Start difference. First operand 1502 states. Second operand 6 states. [2020-09-25 08:31:22,604 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 08:31:37,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:31:37,502 INFO L93 Difference]: Finished difference Result 3058 states and 3708 transitions. [2020-09-25 08:31:37,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:31:37,504 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 316 [2020-09-25 08:31:37,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:31:37,556 INFO L225 Difference]: With dead ends: 3058 [2020-09-25 08:31:37,557 INFO L226 Difference]: Without dead ends: 1953 [2020-09-25 08:31:37,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:31:37,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2020-09-25 08:31:37,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1466. [2020-09-25 08:31:37,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1466 states. [2020-09-25 08:31:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1690 transitions. [2020-09-25 08:31:37,929 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1690 transitions. Word has length 316 [2020-09-25 08:31:37,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:31:37,931 INFO L479 AbstractCegarLoop]: Abstraction has 1466 states and 1690 transitions. [2020-09-25 08:31:37,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:31:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1690 transitions. [2020-09-25 08:31:37,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-09-25 08:31:37,940 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:31:37,941 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:31:37,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:31:37,942 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:31:37,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:31:37,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1550398358, now seen corresponding path program 1 times [2020-09-25 08:31:37,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:31:37,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568568534] [2020-09-25 08:31:37,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:31:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:38,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:38,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:40,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:41,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:43,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:43,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 404 [2020-09-25 08:31:43,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:31:43,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5248 [2020-09-25 08:31:43,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:43,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:43,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:43,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248 [2020-09-25 08:31:43,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-25 08:31:43,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:45,569 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 526 [2020-09-25 08:31:45,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:45,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:46,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:46,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 08:31:46,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:46,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-09-25 08:31:46,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:46,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:46,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-09-25 08:31:46,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:31:47,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-25 08:31:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 08:31:47,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:47,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 08:31:47,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:47,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:47,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 08:31:47,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:31:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:31:47,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:47,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 08:31:47,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:47,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:47,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:47,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:31:47,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 08:31:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:47,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 08:31:47,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:31:47,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-09-25 08:31:47,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:47,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:47,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-25 08:31:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 08:31:47,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:47,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 08:31:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:47,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:47,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:48,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:48,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:48,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 08:31:48,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:31:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 355 [2020-09-25 08:31:48,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:48,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:31:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:31:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 08:31:48,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:31:48,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-09-25 08:31:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:31:48,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:31:48,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:31:48,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:31:48,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:31:48,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 08:31:48,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:31:48,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 08:31:48,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:31:48,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 08:31:48,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:31:48,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:31:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:31:48,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568568534] [2020-09-25 08:31:48,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:31:48,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 08:31:48,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487407692] [2020-09-25 08:31:48,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 08:31:48,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:31:48,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 08:31:48,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-25 08:31:48,639 INFO L87 Difference]: Start difference. First operand 1466 states and 1690 transitions. Second operand 8 states. [2020-09-25 08:31:50,876 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 529