/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 [2020-09-25 11:53:28,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:53:28,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:53:28,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:53:28,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:53:28,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:53:28,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:53:28,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:53:28,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:53:28,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:53:28,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:53:28,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:53:28,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:53:28,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:53:28,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:53:28,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:53:28,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:53:28,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:53:28,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:53:28,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:53:28,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:53:28,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:53:28,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:53:28,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:53:28,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:53:28,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:53:28,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:53:28,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:53:28,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:53:28,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:53:28,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:53:28,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:53:28,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:53:28,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:53:28,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:53:28,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:53:28,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:53:28,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:53:28,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:53:28,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:53:28,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:53:28,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 11:53:28,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:53:28,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:53:28,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:53:28,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:53:28,315 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:53:28,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:53:28,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:53:28,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:53:28,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:53:28,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:53:28,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:53:28,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:53:28,316 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:53:28,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:53:28,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:53:28,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:53:28,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:53:28,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:53:28,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:53:28,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:53:28,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:53:28,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:53:28,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:53:28,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:53:28,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:53:28,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:53:28,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 11:53:28,320 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:53:28,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:53:28,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:53:28,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:53:28,810 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:53:28,810 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:53:28,811 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 11:53:28,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f63fa753e/8e68e34767ae4380a6bedf177c45e839/FLAGd9b893ce4 [2020-09-25 11:53:29,682 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:53:29,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 11:53:29,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f63fa753e/8e68e34767ae4380a6bedf177c45e839/FLAGd9b893ce4 [2020-09-25 11:53:30,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f63fa753e/8e68e34767ae4380a6bedf177c45e839 [2020-09-25 11:53:30,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:53:30,270 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:53:30,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:53:30,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:53:30,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:53:30,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:53:30" (1/1) ... [2020-09-25 11:53:30,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b120860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:30, skipping insertion in model container [2020-09-25 11:53:30,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:53:30" (1/1) ... [2020-09-25 11:53:30,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:53:30,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:53:31,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:53:32,019 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:53:32,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:53:32,440 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:53:32,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:32 WrapperNode [2020-09-25 11:53:32,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:53:32,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:53:32,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:53:32,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:53:32,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:32" (1/1) ... [2020-09-25 11:53:32,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:32" (1/1) ... [2020-09-25 11:53:32,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:32" (1/1) ... [2020-09-25 11:53:32,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:32" (1/1) ... [2020-09-25 11:53:32,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:32" (1/1) ... [2020-09-25 11:53:32,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:32" (1/1) ... [2020-09-25 11:53:32,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:32" (1/1) ... [2020-09-25 11:53:32,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:53:32,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:53:32,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:53:32,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:53:32,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:53:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:53:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:53:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-09-25 11:53:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-09-25 11:53:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-09-25 11:53:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-09-25 11:53:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-09-25 11:53:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-09-25 11:53:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 11:53:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 11:53:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 11:53:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 11:53:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-09-25 11:53:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-09-25 11:53:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-09-25 11:53:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 11:53:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-09-25 11:53:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 11:53:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 11:53:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 11:53:32,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 11:53:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 11:53:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 11:53:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 11:53:32,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 11:53:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 11:53:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 11:53:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-09-25 11:53:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-09-25 11:53:32,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-09-25 11:53:32,808 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-09-25 11:53:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-09-25 11:53:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 11:53:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-09-25 11:53:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-09-25 11:53:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-09-25 11:53:32,809 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-09-25 11:53:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-09-25 11:53:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-09-25 11:53:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-09-25 11:53:32,810 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-09-25 11:53:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-09-25 11:53:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-09-25 11:53:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-09-25 11:53:32,812 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:53:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 11:53:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 11:53:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 11:53:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 11:53:32,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 11:53:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-09-25 11:53:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-09-25 11:53:32,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 11:53:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 11:53:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 11:53:32,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 11:53:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 11:53:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 11:53:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 11:53:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 11:53:32,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 11:53:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 11:53:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 11:53:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 11:53:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 11:53:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 11:53:32,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 11:53:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 11:53:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 11:53:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 11:53:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-09-25 11:53:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-09-25 11:53:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 11:53:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-09-25 11:53:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-09-25 11:53:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 11:53:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-09-25 11:53:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 11:53:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 11:53:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 11:53:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-09-25 11:53:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 11:53:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 11:53:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-09-25 11:53:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 11:53:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 11:53:32,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 11:53:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-09-25 11:53:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-09-25 11:53:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-09-25 11:53:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-09-25 11:53:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-09-25 11:53:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-09-25 11:53:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-09-25 11:53:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 11:53:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 11:53:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 11:53:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-09-25 11:53:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:53:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 11:53:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-09-25 11:53:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-09-25 11:53:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-09-25 11:53:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:53:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-09-25 11:53:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-09-25 11:53:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-09-25 11:53:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-09-25 11:53:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 11:53:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-09-25 11:53:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 11:53:32,828 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 11:53:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:53:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 11:53:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 11:53:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 11:53:32,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 11:53:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 11:53:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 11:53:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-09-25 11:53:32,830 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 11:53:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:53:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 11:53:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-09-25 11:53:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-09-25 11:53:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:53:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-09-25 11:53:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 11:53:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 11:53:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 11:53:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 11:53:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-09-25 11:53:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-09-25 11:53:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 11:53:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:53:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 11:53:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:53:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 11:53:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 11:53:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 11:53:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 11:53:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:53:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 11:53:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 11:53:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 11:53:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 11:53:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 11:53:32,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 11:53:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 11:53:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-09-25 11:53:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-09-25 11:53:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 11:53:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 11:53:32,850 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-09-25 11:53:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-09-25 11:53:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-09-25 11:53:32,851 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-09-25 11:53:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-09-25 11:53:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-09-25 11:53:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 11:53:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-09-25 11:53:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 11:53:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-09-25 11:53:32,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 11:53:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-09-25 11:53:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-09-25 11:53:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 11:53:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 11:53:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 11:53:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-09-25 11:53:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-09-25 11:53:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-09-25 11:53:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-09-25 11:53:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-09-25 11:53:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-09-25 11:53:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-09-25 11:53:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-09-25 11:53:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-09-25 11:53:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-09-25 11:53:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-09-25 11:53:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:53:32,855 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-09-25 11:53:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-09-25 11:53:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-09-25 11:53:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-09-25 11:53:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:53:32,856 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-09-25 11:53:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-09-25 11:53:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-09-25 11:53:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 11:53:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 11:53:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 11:53:32,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:53:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 11:53:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 11:53:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 11:53:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 11:53:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 11:53:32,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 11:53:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 11:53:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 11:53:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 11:53:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 11:53:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 11:53:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 11:53:32,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 11:53:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 11:53:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 11:53:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 11:53:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:53:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 11:53:32,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:53:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 11:53:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:53:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 11:53:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:53:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 11:53:32,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 11:53:32,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 11:53:33,620 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 11:53:34,903 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:53:34,904 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 11:53:34,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:53:34 BoogieIcfgContainer [2020-09-25 11:53:34,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:53:34,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:53:34,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:53:34,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:53:34,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:53:30" (1/3) ... [2020-09-25 11:53:34,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1d09dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:53:34, skipping insertion in model container [2020-09-25 11:53:34,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:53:32" (2/3) ... [2020-09-25 11:53:34,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1d09dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:53:34, skipping insertion in model container [2020-09-25 11:53:34,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:53:34" (3/3) ... [2020-09-25 11:53:34,935 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 [2020-09-25 11:53:34,946 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:53:34,959 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:53:34,982 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:53:35,023 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:53:35,023 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:53:35,023 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:53:35,023 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:53:35,023 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:53:35,024 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:53:35,024 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:53:35,024 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:53:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states. [2020-09-25 11:53:35,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 11:53:35,091 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:53:35,093 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] [2020-09-25 11:53:35,093 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:53:35,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:53:35,101 INFO L82 PathProgramCache]: Analyzing trace with hash -410682460, now seen corresponding path program 1 times [2020-09-25 11:53:35,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:53:35,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688466148] [2020-09-25 11:53:35,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:53:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:35,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:36,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:37,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:39,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:40,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:40,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 11:53:40,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:53:40,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5079 [2020-09-25 11:53:40,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:40,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:40,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:53:40,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 11:53:40,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 11:53:40,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:53:41,494 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 11:53:41,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:41,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:41,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:41,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 11:53:41,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:41,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-09-25 11:53:41,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:41,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:41,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:41,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:41,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:41,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:41,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:53:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:41,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:41,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:41,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:53:41,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:41,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 11:53:41,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:41,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:41,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:41,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:42,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 11:53:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:42,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:42,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:53:42,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:42,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 11:53:42,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:42,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:42,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:42,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:42,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:42,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:42,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 11:53:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:42,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:42,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:53:42,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:42,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 11:53:42,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:42,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:42,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:53:42,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:42,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:42,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:42,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:53:42,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:42,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 11:53:42,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:42,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:42,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:42,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:42,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:53:42,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:42,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 11:53:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:42,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:42,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:53:42,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:53:42,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-25 11:53:42,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:42,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:53:42,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:42,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 11:53:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:42,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:42,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:53:42,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:53:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 11:53:42,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:42,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:53:42,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:42,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 11:53:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:42,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:42,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:53:42,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:42,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 11:53:42,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:42,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:42,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:53:42,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:42,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 11:53:42,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:42,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:53:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:42,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:42,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:53:42,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:42,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 11:53:42,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:42,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:42,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:42,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:42,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:53:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:42,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:42,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:53:42,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:42,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 11:53:42,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:42,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:42,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:53:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:53:42,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:42,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 11:53:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:53:42,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:53:42,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:53:42,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:53:42,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:53:42,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 11:53:42,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:53:42,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:53:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:53:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:53:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:53:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:53:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 11:53:42,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688466148] [2020-09-25 11:53:42,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:53:42,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 11:53:42,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216477139] [2020-09-25 11:53:42,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 11:53:42,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:53:42,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 11:53:42,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 11:53:42,976 INFO L87 Difference]: Start difference. First operand 1198 states. Second operand 11 states. [2020-09-25 11:53:44,039 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 11:53:47,106 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-09-25 11:53:47,562 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 11:53:47,966 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-25 11:53:48,341 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 11:53:57,252 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 11:53:57,733 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 11:54:03,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:54:03,543 INFO L93 Difference]: Finished difference Result 3963 states and 4686 transitions. [2020-09-25 11:54:03,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 11:54:03,546 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 230 [2020-09-25 11:54:03,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:54:03,587 INFO L225 Difference]: With dead ends: 3963 [2020-09-25 11:54:03,588 INFO L226 Difference]: Without dead ends: 2882 [2020-09-25 11:54:03,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2020-09-25 11:54:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2020-09-25 11:54:03,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2216. [2020-09-25 11:54:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-09-25 11:54:03,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2469 transitions. [2020-09-25 11:54:03,918 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2469 transitions. Word has length 230 [2020-09-25 11:54:03,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:54:03,924 INFO L479 AbstractCegarLoop]: Abstraction has 2216 states and 2469 transitions. [2020-09-25 11:54:03,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 11:54:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2469 transitions. [2020-09-25 11:54:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-09-25 11:54:03,950 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:54:03,950 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] [2020-09-25 11:54:03,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:54:03,951 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:54:03,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:54:03,952 INFO L82 PathProgramCache]: Analyzing trace with hash 306965196, now seen corresponding path program 1 times [2020-09-25 11:54:03,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:54:03,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091893184] [2020-09-25 11:54:03,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:54:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:04,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:04,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:04,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:05,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:07,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 532 [2020-09-25 11:54:09,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:54:09,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-09-25 11:54:09,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:54:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 11:54:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 11:54:09,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,597 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 11:54:09,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:54:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:09,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 11:54:09,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:09,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-09-25 11:54:09,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:09,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:09,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:09,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:54:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:09,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:09,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:09,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:54:09,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:09,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 11:54:09,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:09,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:09,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:09,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:09,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:09,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:09,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 11:54:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:10,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:10,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:54:10,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 11:54:10,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:10,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:10,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:10,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:10,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 11:54:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:10,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:10,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:10,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 11:54:10,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:10,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 11:54:10,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:10,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:10,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:10,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:54:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:10,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:10,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:10,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:54:10,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:10,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 11:54:10,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:10,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:10,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:10,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:10,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:10,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 11:54:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:10,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:10,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:10,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:10,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:54:10,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:54:10,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 11:54:10,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:10,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 11:54:10,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 11:54:10,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:54:10,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:10,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 11:54:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:10,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:10,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:10,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:10,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:54:10,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:54:10,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 11:54:10,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:10,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:10,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 11:54:10,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 11:54:10,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:54:10,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:10,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 11:54:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:10,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:10,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:12,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:13,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:13,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-25 11:54:13,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:54:13,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3214 [2020-09-25 11:54:13,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:13,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 11:54:13,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-25 11:54:13,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:54:13,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:13,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 11:54:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:13,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:13,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:13,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:54:13,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 11:54:13,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:13,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:13,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:54:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:13,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:13,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:13,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:54:13,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:13,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 11:54:13,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:13,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:13,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:13,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 11:54:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:13,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:14,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:14,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 11:54:14,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:14,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 11:54:14,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:14,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:14,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:14,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:14,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:14,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:14,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:54:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:14,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:14,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:14,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:54:14,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:14,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 11:54:14,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:14,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:14,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:14,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:14,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:14,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:14,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-25 11:54:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:14,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:14,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:14,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 11:54:14,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:14,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-25 11:54:14,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:14,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:14,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:54:14,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:14,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:54:14,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:14,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:54:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:14,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:14,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:14,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:54:14,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:14,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 11:54:14,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:14,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 11:54:14,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 11:54:14,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:14,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:54:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:14,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:14,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:14,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:54:14,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:14,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 11:54:14,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:14,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:54:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:14,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:54:14,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:54:14,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:54:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:14,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:14,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:14,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:54:14,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:14,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 11:54:14,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:14,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:14,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:14,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 11:54:14,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:14,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-25 11:54:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:14,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:14,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:14,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 11:54:14,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:14,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 11:54:14,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:14,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:14,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:14,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 11:54:14,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:14,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:54:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:54:14,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:54:14,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:54:14,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 11:54:14,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:54:14,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 11:54:14,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:54:14,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:54:14,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:54:14,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:54:14,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:54:14,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:54:14,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 11:54:14,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:54:14,801 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 [2020-09-25 11:54:14,808 INFO L168 Benchmark]: Toolchain (without parser) took 44540.29 ms. Allocated memory was 140.5 MB in the beginning and 752.9 MB in the end (delta: 612.4 MB). Free memory was 95.8 MB in the beginning and 178.6 MB in the end (delta: -82.9 MB). Peak memory consumption was 529.5 MB. Max. memory is 7.1 GB. [2020-09-25 11:54:14,810 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 11:54:14,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2171.04 ms. Allocated memory was 140.5 MB in the beginning and 230.7 MB in the end (delta: 90.2 MB). Free memory was 95.1 MB in the beginning and 123.5 MB in the end (delta: -28.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. [2020-09-25 11:54:14,818 INFO L168 Benchmark]: Boogie Preprocessor took 251.95 ms. Allocated memory is still 230.7 MB. Free memory was 123.5 MB in the beginning and 114.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-09-25 11:54:14,818 INFO L168 Benchmark]: RCFGBuilder took 2229.31 ms. Allocated memory was 230.7 MB in the beginning and 260.0 MB in the end (delta: 29.4 MB). Free memory was 114.5 MB in the beginning and 135.9 MB in the end (delta: -21.5 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. [2020-09-25 11:54:14,819 INFO L168 Benchmark]: TraceAbstraction took 39879.23 ms. Allocated memory was 260.0 MB in the beginning and 752.9 MB in the end (delta: 492.8 MB). Free memory was 135.9 MB in the beginning and 178.6 MB in the end (delta: -42.7 MB). Peak memory consumption was 450.1 MB. Max. memory is 7.1 GB. [2020-09-25 11:54:14,834 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2171.04 ms. Allocated memory was 140.5 MB in the beginning and 230.7 MB in the end (delta: 90.2 MB). Free memory was 95.1 MB in the beginning and 123.5 MB in the end (delta: -28.4 MB). Peak memory consumption was 70.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 251.95 ms. Allocated memory is still 230.7 MB. Free memory was 123.5 MB in the beginning and 114.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2229.31 ms. Allocated memory was 230.7 MB in the beginning and 260.0 MB in the end (delta: 29.4 MB). Free memory was 114.5 MB in the beginning and 135.9 MB in the end (delta: -21.5 MB). Peak memory consumption was 66.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39879.23 ms. Allocated memory was 260.0 MB in the beginning and 752.9 MB in the end (delta: 492.8 MB). Free memory was 135.9 MB in the beginning and 178.6 MB in the end (delta: -42.7 MB). Peak memory consumption was 450.1 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...