/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=1.0 --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 09:39:31,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:39:31,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:39:31,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:39:31,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:39:31,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:39:31,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:39:31,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:39:31,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:39:31,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:39:31,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:39:31,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:39:31,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:39:31,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:39:31,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:39:31,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:39:31,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:39:31,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:39:31,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:39:31,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:39:31,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:39:31,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:39:31,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:39:31,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:39:31,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:39:31,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:39:31,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:39:31,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:39:31,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:39:31,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:39:31,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:39:31,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:39:31,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:39:31,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:39:31,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:39:31,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:39:31,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:39:31,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:39:31,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:39:31,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:39:31,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:39:31,645 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 09:39:31,673 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:39:31,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:39:31,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:39:31,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:39:31,675 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:39:31,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:39:31,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:39:31,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:39:31,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:39:31,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:39:31,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:39:31,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:39:31,678 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:39:31,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:39:31,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:39:31,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:39:31,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:39:31,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:39:31,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:39:31,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:39:31,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:39:31,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:39:31,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:39:31,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:39:31,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:39:31,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:39:31,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 09:39:31,683 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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;log-additional-information=true; [2020-09-25 09:39:32,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:39:32,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:39:32,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:39:32,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:39:32,179 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:39:32,180 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 09:39:32,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5ee89a94/d82121b435f1463ea0eceb3101b92180/FLAG829c4775e [2020-09-25 09:39:33,100 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:39:33,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-25 09:39:33,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5ee89a94/d82121b435f1463ea0eceb3101b92180/FLAG829c4775e [2020-09-25 09:39:33,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d5ee89a94/d82121b435f1463ea0eceb3101b92180 [2020-09-25 09:39:33,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:39:33,648 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:39:33,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:39:33,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:39:33,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:39:33,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:39:33" (1/1) ... [2020-09-25 09:39:33,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbdf966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:33, skipping insertion in model container [2020-09-25 09:39:33,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:39:33" (1/1) ... [2020-09-25 09:39:33,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:39:33,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:39:35,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:39:35,292 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:39:35,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:39:35,551 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:39:35,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:35 WrapperNode [2020-09-25 09:39:35,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:39:35,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:39:35,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:39:35,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:39:35,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:35" (1/1) ... [2020-09-25 09:39:35,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:35" (1/1) ... [2020-09-25 09:39:35,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:35" (1/1) ... [2020-09-25 09:39:35,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:35" (1/1) ... [2020-09-25 09:39:35,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:35" (1/1) ... [2020-09-25 09:39:35,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:35" (1/1) ... [2020-09-25 09:39:35,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:35" (1/1) ... [2020-09-25 09:39:35,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:39:35,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:39:35,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:39:35,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:39:35,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:35" (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 09:39:35,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:39:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:39:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-25 09:39:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-25 09:39:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-25 09:39:35,918 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-25 09:39:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-25 09:39:35,920 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 09:39:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 09:39:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-25 09:39:35,922 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-25 09:39:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 09:39:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 09:39:35,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 09:39:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 09:39:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 09:39:35,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 09:39:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 09:39:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 09:39:35,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 09:39:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 09:39:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-25 09:39:35,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-25 09:39:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-25 09:39:35,930 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-25 09:39:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-25 09:39:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-25 09:39:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-25 09:39:35,931 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-25 09:39:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-25 09:39:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-25 09:39:35,932 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-25 09:39:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-25 09:39:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-25 09:39:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-25 09:39:35,933 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-25 09:39:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-25 09:39:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-25 09:39:35,934 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-25 09:39:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:39:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 09:39:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 09:39:35,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 09:39:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 09:39:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 09:39:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12 [2020-09-25 09:39:35,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_13 [2020-09-25 09:39:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_14 [2020-09-25 09:39:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 09:39:35,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 09:39:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 09:39:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 09:39:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 09:39:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 09:39:35,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 09:39:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 09:39:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 09:39:35,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 09:39:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 09:39:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 09:39:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 09:39:35,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 09:39:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 09:39:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 09:39:35,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 09:39:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 09:39:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-25 09:39:35,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-25 09:39:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-25 09:39:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-25 09:39:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-25 09:39:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-25 09:39:35,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-25 09:39:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-25 09:39:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 09:39:35,948 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-25 09:39:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-25 09:39:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-25 09:39:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-25 09:39:35,949 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-25 09:39:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 09:39:35,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 09:39:35,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 09:39:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:39:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 09:39:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 09:39:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-25 09:39:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-25 09:39:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-25 09:39:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-25 09:39:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-25 09:39:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-25 09:39:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 09:39:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-25 09:39:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-25 09:39:35,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 09:39:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-25 09:39:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 09:39:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 09:39:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 09:39:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 09:39:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-25 09:39:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-25 09:39:35,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 09:39:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 09:39:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 09:39:35,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 09:39:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 09:39:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 09:39:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 09:39:35,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 09:39:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:39:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 09:39:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:39:35,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 09:39:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 09:39:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 09:39:35,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:39:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 09:39:35,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 09:39:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 09:39:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 09:39:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 09:39:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 09:39:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-25 09:39:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-25 09:39:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-25 09:39:35,966 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-25 09:39:35,967 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-25 09:39:35,971 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-25 09:39:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-25 09:39:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_12 [2020-09-25 09:39:35,972 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-25 09:39:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_13 [2020-09-25 09:39:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_14 [2020-09-25 09:39:35,973 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-25 09:39:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-25 09:39:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 09:39:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-25 09:39:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-25 09:39:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-25 09:39:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-25 09:39:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-25 09:39:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-25 09:39:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-25 09:39:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-25 09:39:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-25 09:39:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-25 09:39:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-25 09:39:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-25 09:39:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-25 09:39:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-25 09:39:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:39:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:39:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:39:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:39:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:39:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:39:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-25 09:39:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-25 09:39:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-25 09:39:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 09:39:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 09:39:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:39:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 09:39:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 09:39:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 09:39:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 09:39:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 09:39:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 09:39:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 09:39:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 09:39:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 09:39:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 09:39:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 09:39:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 09:39:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 09:39:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 09:39:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:39:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:39:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:39:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:39:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 09:39:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 09:39:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 09:39:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 09:39:36,985 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 09:39:39,037 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:39:39,038 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:39:39,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:39:39 BoogieIcfgContainer [2020-09-25 09:39:39,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:39:39,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:39:39,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:39:39,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:39:39,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:39:33" (1/3) ... [2020-09-25 09:39:39,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f176d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:39:39, skipping insertion in model container [2020-09-25 09:39:39,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:39:35" (2/3) ... [2020-09-25 09:39:39,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f176d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:39:39, skipping insertion in model container [2020-09-25 09:39:39,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:39:39" (3/3) ... [2020-09-25 09:39:39,069 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 09:39:39,080 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:39:39,092 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:39:39,114 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:39:39,152 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:39:39,153 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:39:39,153 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:39:39,153 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:39:39,153 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:39:39,153 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:39:39,153 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:39:39,153 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:39:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states. [2020-09-25 09:39:39,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-09-25 09:39:39,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:39:39,284 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 09:39:39,284 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:39:39,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:39:39,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1326592749, now seen corresponding path program 1 times [2020-09-25 09:39:39,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:39:39,300 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013989935] [2020-09-25 09:39:39,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:39:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:40,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:41,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:44,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:44,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 335 [2020-09-25 09:39:44,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:39:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 09:39:44,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:44,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:39:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 289 [2020-09-25 09:39:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:39:45,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:39:47,110 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 526 [2020-09-25 09:39:47,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:47,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:47,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:47,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 09:39:47,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:47,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 550 [2020-09-25 09:39:47,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:47,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:47,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:47,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:48,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-25 09:39:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:48,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:48,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:48,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:39:48,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:48,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 09:39:48,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:48,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:48,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:48,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 09:39:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:39:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:48,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:48,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:48,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:39:48,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 09:39:48,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:48,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:39:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:48,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:39:48,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-09-25 09:39:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:48,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:48,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:48,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 09:39:48,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:48,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 09:39:48,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:48,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:48,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:48,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:39:48,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:48,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:48,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-09-25 09:39:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:39:48,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:39:48,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:39:48,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:39:48,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:39:48,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 09:39:48,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:39:48,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:39:48,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:39:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:39:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:39:48,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:39:48,430 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 09:39:48,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013989935] [2020-09-25 09:39:48,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:39:48,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 09:39:48,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498188630] [2020-09-25 09:39:48,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 09:39:48,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:39:48,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 09:39:48,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 09:39:48,461 INFO L87 Difference]: Start difference. First operand 1502 states. Second operand 6 states. [2020-09-25 09:39:52,035 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 528 [2020-09-25 09:40:07,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:40:07,004 INFO L93 Difference]: Finished difference Result 3058 states and 3708 transitions. [2020-09-25 09:40:07,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 09:40:07,015 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 316 [2020-09-25 09:40:07,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:40:07,102 INFO L225 Difference]: With dead ends: 3058 [2020-09-25 09:40:07,102 INFO L226 Difference]: Without dead ends: 1953 [2020-09-25 09:40:07,124 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 09:40:07,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2020-09-25 09:40:07,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1466. [2020-09-25 09:40:07,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1466 states. [2020-09-25 09:40:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1690 transitions. [2020-09-25 09:40:07,481 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1690 transitions. Word has length 316 [2020-09-25 09:40:07,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:40:07,482 INFO L479 AbstractCegarLoop]: Abstraction has 1466 states and 1690 transitions. [2020-09-25 09:40:07,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 09:40:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1690 transitions. [2020-09-25 09:40:07,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-09-25 09:40:07,493 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:40:07,494 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 09:40:07,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:40:07,494 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:40:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:40:07,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1550398358, now seen corresponding path program 1 times [2020-09-25 09:40:07,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:40:07,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618987222] [2020-09-25 09:40:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:40:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:07,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:08,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:09,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:11,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:12,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:12,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 404 [2020-09-25 09:40:12,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:40:12,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5219 [2020-09-25 09:40:12,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:12,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:12,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248 [2020-09-25 09:40:12,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-25 09:40:12,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:15,297 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 526 [2020-09-25 09:40:15,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:15,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:16,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:16,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 09:40:16,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:16,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1111 [2020-09-25 09:40:16,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:16,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:16,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-09-25 09:40:16,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:40:16,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-25 09:40:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:16,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:16,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:16,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 09:40:16,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:16,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 09:40:16,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:16,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:16,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 09:40:16,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:16,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:40:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:16,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:16,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:16,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:40:16,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:16,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 09:40:16,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:16,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:16,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:16,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:17,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 09:40:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:17,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:17,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:17,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:17,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-25 09:40:17,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:40:17,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-09-25 09:40:17,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:17,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:17,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:17,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-09-25 09:40:17,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 09:40:17,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:17,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:40:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:17,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:17,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:17,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:18,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:18,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 09:40:18,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:40:18,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-09-25 09:40:18,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:18,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:40:18,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:40:18,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-25 09:40:18,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:40:18,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2020-09-25 09:40:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:40:18,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:40:18,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:40:18,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:40:18,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:40:18,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 09:40:18,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:40:18,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:40:18,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:40:18,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:40:18,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:40:18,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:40:18,279 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 09:40:18,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618987222] [2020-09-25 09:40:18,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:40:18,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:40:18,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241827539] [2020-09-25 09:40:18,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:40:18,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:40:18,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:40:18,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:40:18,286 INFO L87 Difference]: Start difference. First operand 1466 states and 1690 transitions. Second operand 8 states. [2020-09-25 09:40:20,015 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 529 [2020-09-25 09:40:24,339 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 531