/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=LOWLEXORDER --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--usb--cdc_eem.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:20:00,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:20:00,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:20:00,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:20:00,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:20:00,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:20:00,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:20:00,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:20:00,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:20:00,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:20:00,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:20:00,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:20:00,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:20:00,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:20:00,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:20:00,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:20:00,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:20:00,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:20:00,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:20:00,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:20:00,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:20:00,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:20:00,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:20:00,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:20:00,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:20:00,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:20:00,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:20:00,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:20:00,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:20:00,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:20:00,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:20:00,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:20:00,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:20:00,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:20:00,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:20:00,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:20:00,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:20:00,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:20:00,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:20:00,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:20:00,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:20:00,335 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 [2020-09-24 22:20:00,361 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:20:00,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:20:00,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:20:00,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:20:00,365 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:20:00,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:20:00,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:20:00,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:20:00,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:20:00,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:20:00,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:20:00,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:20:00,366 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:20:00,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:20:00,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:20:00,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:20:00,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:20:00,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:20:00,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:20:00,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:20:00,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:20:00,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:20:00,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:20:00,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:20:00,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:20:00,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:20:00,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 22:20:00,370 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 22:20:00,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:20:00,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:20:00,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:20:00,880 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:20:00,881 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:20:00,883 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-24 22:20:00,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/693db0303/7457a97638544a3ebf74032c88125fd8/FLAGff72f658f [2020-09-24 22:20:01,782 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:20:01,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-24 22:20:01,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/693db0303/7457a97638544a3ebf74032c88125fd8/FLAGff72f658f [2020-09-24 22:20:02,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/693db0303/7457a97638544a3ebf74032c88125fd8 [2020-09-24 22:20:02,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:20:02,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:20:02,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:20:02,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:20:02,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:20:02,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:20:02" (1/1) ... [2020-09-24 22:20:02,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248847c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:02, skipping insertion in model container [2020-09-24 22:20:02,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:20:02" (1/1) ... [2020-09-24 22:20:02,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:20:02,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:20:03,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:20:03,958 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:20:04,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:20:04,350 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:20:04,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:04 WrapperNode [2020-09-24 22:20:04,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:20:04,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:20:04,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:20:04,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:20:04,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:04" (1/1) ... [2020-09-24 22:20:04,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:04" (1/1) ... [2020-09-24 22:20:04,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:04" (1/1) ... [2020-09-24 22:20:04,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:04" (1/1) ... [2020-09-24 22:20:04,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:04" (1/1) ... [2020-09-24 22:20:04,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:04" (1/1) ... [2020-09-24 22:20:04,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:04" (1/1) ... [2020-09-24 22:20:04,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:20:04,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:20:04,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:20:04,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:20:04,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:04" (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 [2020-09-24 22:20:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:20:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:20:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-09-24 22:20:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-09-24 22:20:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-09-24 22:20:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-09-24 22:20:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-09-24 22:20:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-09-24 22:20:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-24 22:20:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 22:20:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-24 22:20:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-24 22:20:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-09-24 22:20:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-09-24 22:20:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-09-24 22:20:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-24 22:20:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-09-24 22:20:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 22:20:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 22:20:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 22:20:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 22:20:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 22:20:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 22:20:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 22:20:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 22:20:04,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 22:20:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-24 22:20:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-09-24 22:20:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-09-24 22:20:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-09-24 22:20:04,618 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-09-24 22:20:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-09-24 22:20:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-24 22:20:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-09-24 22:20:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-09-24 22:20:04,619 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-09-24 22:20:04,620 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-09-24 22:20:04,620 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-09-24 22:20:04,620 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-09-24 22:20:04,620 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-09-24 22:20:04,620 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-09-24 22:20:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-09-24 22:20:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-09-24 22:20:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-09-24 22:20:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:20:04,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-24 22:20:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-24 22:20:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-24 22:20:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-24 22:20:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-24 22:20:04,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-09-24 22:20:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-09-24 22:20:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-24 22:20:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-24 22:20:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-24 22:20:04,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-24 22:20:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-24 22:20:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 22:20:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 22:20:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 22:20:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 22:20:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-24 22:20:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 22:20:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-24 22:20:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-24 22:20:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-24 22:20:04,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-24 22:20:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-24 22:20:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 22:20:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-24 22:20:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-09-24 22:20:04,626 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-09-24 22:20:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-24 22:20:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-09-24 22:20:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-09-24 22:20:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-24 22:20:04,627 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-09-24 22:20:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-24 22:20:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-24 22:20:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-24 22:20:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-09-24 22:20:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-24 22:20:04,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-24 22:20:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-09-24 22:20:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-24 22:20:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-24 22:20:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-24 22:20:04,629 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-09-24 22:20:04,630 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-09-24 22:20:04,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-09-24 22:20:04,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-09-24 22:20:04,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-09-24 22:20:04,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-09-24 22:20:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-09-24 22:20:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 22:20:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-24 22:20:04,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 22:20:04,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-09-24 22:20:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:20:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 22:20:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-09-24 22:20:04,633 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-09-24 22:20:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-09-24 22:20:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:20:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-09-24 22:20:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-09-24 22:20:04,634 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-09-24 22:20:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-09-24 22:20:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-24 22:20:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-09-24 22:20:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-24 22:20:04,635 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 22:20:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:20:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-24 22:20:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-24 22:20:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-24 22:20:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-24 22:20:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-24 22:20:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-24 22:20:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-09-24 22:20:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-24 22:20:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:20:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-24 22:20:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-09-24 22:20:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-09-24 22:20:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:20:04,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-09-24 22:20:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-24 22:20:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-24 22:20:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-24 22:20:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-24 22:20:04,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-09-24 22:20:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-09-24 22:20:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-24 22:20:04,643 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:20:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 22:20:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:20:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 22:20:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 22:20:04,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 22:20:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 22:20:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:20:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 22:20:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 22:20:04,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 22:20:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 22:20:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 22:20:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 22:20:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 22:20:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-09-24 22:20:04,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-09-24 22:20:04,647 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-24 22:20:04,648 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-24 22:20:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-09-24 22:20:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-09-24 22:20:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-09-24 22:20:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-09-24 22:20:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-09-24 22:20:04,649 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-09-24 22:20:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-24 22:20:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-09-24 22:20:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-24 22:20:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-09-24 22:20:04,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-24 22:20:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-09-24 22:20:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-09-24 22:20:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-24 22:20:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-24 22:20:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-24 22:20:04,651 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-09-24 22:20:04,652 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-09-24 22:20:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-09-24 22:20:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-09-24 22:20:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-09-24 22:20:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-09-24 22:20:04,653 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-09-24 22:20:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-09-24 22:20:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-09-24 22:20:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-09-24 22:20:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-09-24 22:20:04,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:20:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-09-24 22:20:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-09-24 22:20:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-09-24 22:20:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-09-24 22:20:04,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:20:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-09-24 22:20:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-09-24 22:20:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-09-24 22:20:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-24 22:20:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 22:20:04,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 22:20:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:20:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-24 22:20:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-24 22:20:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-24 22:20:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-24 22:20:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-24 22:20:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-24 22:20:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 22:20:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 22:20:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 22:20:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 22:20:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-24 22:20:04,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-24 22:20:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-24 22:20:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-24 22:20:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-24 22:20:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-24 22:20:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:20:04,661 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 22:20:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:20:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 22:20:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:20:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-24 22:20:04,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:20:04,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-24 22:20:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-24 22:20:04,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-24 22:20:05,401 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 22:20:06,842 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:20:06,842 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 22:20:06,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:20:06 BoogieIcfgContainer [2020-09-24 22:20:06,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:20:06,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:20:06,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:20:06,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:20:06,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:20:02" (1/3) ... [2020-09-24 22:20:06,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7008b04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:20:06, skipping insertion in model container [2020-09-24 22:20:06,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:20:04" (2/3) ... [2020-09-24 22:20:06,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7008b04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:20:06, skipping insertion in model container [2020-09-24 22:20:06,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:20:06" (3/3) ... [2020-09-24 22:20:06,865 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-24 22:20:06,878 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:20:06,891 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:20:06,912 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:20:06,950 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:20:06,950 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:20:06,950 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:20:06,950 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:20:06,950 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:20:06,951 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:20:06,951 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:20:06,951 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:20:06,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states. [2020-09-24 22:20:07,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 22:20:07,022 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:20:07,024 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:20:07,025 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:20:07,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:20:07,033 INFO L82 PathProgramCache]: Analyzing trace with hash -410682460, now seen corresponding path program 1 times [2020-09-24 22:20:07,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:20:07,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1728941519] [2020-09-24 22:20:07,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:20:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:07,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:08,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:08,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:11,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:12,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:12,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-24 22:20:12,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:20:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-24 22:20:12,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:12,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:20:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-24 22:20:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 22:20:12,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 22:20:13,332 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 22:20:13,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:20:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:13,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:13,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:13,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-24 22:20:13,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-09-24 22:20:13,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:13,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 22:20:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:20:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:13,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:13,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:13,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:20:13,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:13,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 22:20:13,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:13,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:13,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:13,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:13,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:13,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-24 22:20:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:13,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:13,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:13,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:20:13,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:13,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 22:20:13,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:13,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:13,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-24 22:20:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:13,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:14,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:14,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 22:20:14,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:14,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 22:20:14,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:20:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:14,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:20:14,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:14,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:20:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:14,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:14,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:14,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:20:14,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:14,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 22:20:14,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:20:14,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:20:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:14,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-24 22:20:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:14,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:14,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:14,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:14,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:20:14,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:20:14,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-24 22:20:14,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:14,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:20:14,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:14,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:20:14,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:14,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 22:20:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:14,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:14,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:14,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:14,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:20:14,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:20:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-24 22:20:14,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:20:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:20:14,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:14,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 22:20:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:14,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:14,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:14,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:20:14,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:14,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 22:20:14,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:14,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:20:14,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:14,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 22:20:14,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:14,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:20:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:14,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:14,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:14,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 22:20:14,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:14,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 22:20:14,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:14,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:14,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:14,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:14,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:14,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:20:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:14,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:14,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:14,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:20:14,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:14,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 22:20:14,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:14,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:14,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:14,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:14,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 22:20:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:14,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:14,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:14,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:20:14,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:14,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-24 22:20:14,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:20:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:14,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:20:14,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:14,924 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-24 22:20:14,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1728941519] [2020-09-24 22:20:14,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:20:14,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 22:20:14,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870488950] [2020-09-24 22:20:14,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 22:20:14,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:20:14,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 22:20:14,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-24 22:20:14,956 INFO L87 Difference]: Start difference. First operand 1198 states. Second operand 11 states. [2020-09-24 22:20:16,054 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-24 22:20:19,361 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-09-24 22:20:19,871 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 22:20:20,313 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-24 22:20:20,718 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 22:20:29,939 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 22:20:30,450 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-24 22:20:36,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:20:36,623 INFO L93 Difference]: Finished difference Result 3963 states and 4686 transitions. [2020-09-24 22:20:36,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-24 22:20:36,627 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 230 [2020-09-24 22:20:36,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:20:36,670 INFO L225 Difference]: With dead ends: 3963 [2020-09-24 22:20:36,670 INFO L226 Difference]: Without dead ends: 2882 [2020-09-24 22:20:36,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2020-09-24 22:20:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2020-09-24 22:20:36,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2216. [2020-09-24 22:20:36,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-09-24 22:20:36,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2469 transitions. [2020-09-24 22:20:36,988 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2469 transitions. Word has length 230 [2020-09-24 22:20:36,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:20:36,990 INFO L479 AbstractCegarLoop]: Abstraction has 2216 states and 2469 transitions. [2020-09-24 22:20:36,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 22:20:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2469 transitions. [2020-09-24 22:20:37,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-09-24 22:20:37,014 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:20:37,015 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:20:37,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:20:37,016 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:20:37,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:20:37,016 INFO L82 PathProgramCache]: Analyzing trace with hash 306965196, now seen corresponding path program 1 times [2020-09-24 22:20:37,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:20:37,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [891943456] [2020-09-24 22:20:37,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:20:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:37,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:37,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:37,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:38,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:40,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:42,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:42,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 532 [2020-09-24 22:20:42,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:20:42,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-09-24 22:20:42,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:42,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:20:42,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-24 22:20:42,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 22:20:42,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:42,645 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-24 22:20:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:20:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:42,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:42,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:42,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-24 22:20:42,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:42,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-09-24 22:20:42,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:42,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:20:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:42,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:43,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:43,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:20:43,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:43,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 22:20:43,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:43,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-24 22:20:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:43,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:43,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:43,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:20:43,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:43,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 22:20:43,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:43,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:43,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:43,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:43,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:43,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-24 22:20:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:43,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:43,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:43,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 22:20:43,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:43,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 22:20:43,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:43,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:43,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:20:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:43,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:43,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:43,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:20:43,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:43,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 22:20:43,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:43,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:43,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:43,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:43,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-24 22:20:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:43,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:43,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:43,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:20:43,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:43,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 22:20:43,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:20:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 22:20:43,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:20:43,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:43,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 22:20:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:43,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:43,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:43,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:43,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:20:43,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:20:43,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-24 22:20:43,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:20:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 22:20:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 22:20:43,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:43,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 22:20:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:43,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:43,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:45,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:46,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:46,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-24 22:20:46,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:20:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3251 [2020-09-24 22:20:46,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 22:20:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-24 22:20:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 22:20:46,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:46,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 22:20:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:46,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:46,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:46,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 22:20:46,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 22:20:46,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:46,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:46,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:47,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:20:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:47,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:47,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:47,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:20:47,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:47,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 22:20:47,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:47,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:47,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:47,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:47,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:47,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 22:20:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:47,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:47,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:47,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 22:20:47,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:47,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 22:20:47,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:47,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:47,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:47,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:47,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:20:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:47,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:47,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:47,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:20:47,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:47,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 22:20:47,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:47,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:47,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:47,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:47,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:47,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-24 22:20:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:47,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:47,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:47,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 22:20:47,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:47,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-24 22:20:47,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:20:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 22:20:47,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:47,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:20:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:47,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:47,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:47,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:20:47,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:47,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 22:20:47,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:47,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 22:20:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 22:20:47,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:47,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:20:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:47,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:47,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:47,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:20:47,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-24 22:20:47,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:20:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:20:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:47,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:20:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:47,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:47,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:47,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:20:47,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:47,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 22:20:47,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 22:20:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:47,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:47,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-24 22:20:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:47,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:47,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:47,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 22:20:47,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:47,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 22:20:47,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:47,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:47,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 22:20:47,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:47,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:20:47,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:20:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:20:47,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:20:47,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:20:47,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 22:20:47,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:20:47,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 22:20:47,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 22:20:47,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:20:47,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:20:47,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:20:47,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:20:47,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 22:20:47,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:20:47,902 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms at de.uni_freiburg.informatik.ultimate.logic.NoopScript.annotate(NoopScript.java:557) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.annotate(WrapperScript.java:282) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertLocalVarAssignemntPendingContext(AnnotateAndAssertCodeBlocks.java:169) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 33 more [2020-09-24 22:20:47,909 INFO L168 Benchmark]: Toolchain (without parser) took 45601.49 ms. Allocated memory was 146.3 MB in the beginning and 700.4 MB in the end (delta: 554.2 MB). Free memory was 93.9 MB in the beginning and 407.7 MB in the end (delta: -313.8 MB). Peak memory consumption was 240.4 MB. Max. memory is 7.1 GB. [2020-09-24 22:20:47,911 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 22:20:47,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2039.34 ms. Allocated memory was 146.3 MB in the beginning and 228.6 MB in the end (delta: 82.3 MB). Free memory was 93.3 MB in the beginning and 118.5 MB in the end (delta: -25.2 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2020-09-24 22:20:47,918 INFO L168 Benchmark]: Boogie Preprocessor took 171.87 ms. Allocated memory is still 228.6 MB. Free memory was 118.5 MB in the beginning and 109.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-09-24 22:20:47,919 INFO L168 Benchmark]: RCFGBuilder took 2329.59 ms. Allocated memory was 228.6 MB in the beginning and 263.7 MB in the end (delta: 35.1 MB). Free memory was 109.4 MB in the beginning and 140.6 MB in the end (delta: -31.2 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. [2020-09-24 22:20:47,920 INFO L168 Benchmark]: TraceAbstraction took 41050.23 ms. Allocated memory was 263.7 MB in the beginning and 700.4 MB in the end (delta: 436.7 MB). Free memory was 140.6 MB in the beginning and 407.7 MB in the end (delta: -267.1 MB). Peak memory consumption was 169.6 MB. Max. memory is 7.1 GB. [2020-09-24 22:20:47,934 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 146.3 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2039.34 ms. Allocated memory was 146.3 MB in the beginning and 228.6 MB in the end (delta: 82.3 MB). Free memory was 93.3 MB in the beginning and 118.5 MB in the end (delta: -25.2 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 171.87 ms. Allocated memory is still 228.6 MB. Free memory was 118.5 MB in the beginning and 109.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2329.59 ms. Allocated memory was 228.6 MB in the beginning and 263.7 MB in the end (delta: 35.1 MB). Free memory was 109.4 MB in the beginning and 140.6 MB in the end (delta: -31.2 MB). Peak memory consumption was 69.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41050.23 ms. Allocated memory was 263.7 MB in the beginning and 700.4 MB in the end (delta: 436.7 MB). Free memory was 140.6 MB in the beginning and 407.7 MB in the end (delta: -267.1 MB). Peak memory consumption was 169.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Cannot name open terms: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...