/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=0.5 --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 15:16:12,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 15:16:12,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 15:16:12,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 15:16:12,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 15:16:13,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 15:16:13,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 15:16:13,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 15:16:13,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 15:16:13,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 15:16:13,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 15:16:13,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 15:16:13,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 15:16:13,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 15:16:13,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 15:16:13,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 15:16:13,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 15:16:13,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 15:16:13,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 15:16:13,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 15:16:13,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 15:16:13,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 15:16:13,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 15:16:13,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 15:16:13,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 15:16:13,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 15:16:13,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 15:16:13,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 15:16:13,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 15:16:13,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 15:16:13,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 15:16:13,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 15:16:13,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 15:16:13,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 15:16:13,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 15:16:13,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 15:16:13,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 15:16:13,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 15:16:13,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 15:16:13,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 15:16:13,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 15:16:13,062 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 15:16:13,112 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 15:16:13,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 15:16:13,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 15:16:13,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 15:16:13,115 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 15:16:13,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 15:16:13,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 15:16:13,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 15:16:13,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 15:16:13,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 15:16:13,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 15:16:13,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 15:16:13,117 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 15:16:13,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 15:16:13,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 15:16:13,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 15:16:13,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 15:16:13,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 15:16:13,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 15:16:13,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 15:16:13,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 15:16:13,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 15:16:13,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 15:16:13,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 15:16:13,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 15:16:13,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 15:16:13,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 15:16:13,121 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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-09-25 15:16:13,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 15:16:13,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 15:16:13,593 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 15:16:13,595 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 15:16:13,596 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 15:16:13,597 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 15:16:13,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c34996b8/3ca8b6036ad948deb9184e9031375869/FLAGb460c7394 [2020-09-25 15:16:14,597 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 15:16:14,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2020-09-25 15:16:14,643 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c34996b8/3ca8b6036ad948deb9184e9031375869/FLAGb460c7394 [2020-09-25 15:16:15,107 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c34996b8/3ca8b6036ad948deb9184e9031375869 [2020-09-25 15:16:15,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 15:16:15,125 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 15:16:15,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 15:16:15,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 15:16:15,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 15:16:15,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:16:15" (1/1) ... [2020-09-25 15:16:15,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59aeacfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:15, skipping insertion in model container [2020-09-25 15:16:15,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:16:15" (1/1) ... [2020-09-25 15:16:15,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 15:16:15,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 15:16:16,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 15:16:16,651 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 15:16:17,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 15:16:17,276 INFO L208 MainTranslator]: Completed translation [2020-09-25 15:16:17,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:17 WrapperNode [2020-09-25 15:16:17,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 15:16:17,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 15:16:17,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 15:16:17,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 15:16:17,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:17" (1/1) ... [2020-09-25 15:16:17,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:17" (1/1) ... [2020-09-25 15:16:17,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:17" (1/1) ... [2020-09-25 15:16:17,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:17" (1/1) ... [2020-09-25 15:16:17,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:17" (1/1) ... [2020-09-25 15:16:17,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:17" (1/1) ... [2020-09-25 15:16:17,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:17" (1/1) ... [2020-09-25 15:16:17,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 15:16:17,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 15:16:17,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 15:16:17,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 15:16:17,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:17" (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 15:16:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 15:16:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 15:16:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-09-25 15:16:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-09-25 15:16:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32p [2020-09-25 15:16:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2020-09-25 15:16:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-09-25 15:16:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2020-09-25 15:16:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-09-25 15:16:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 15:16:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-09-25 15:16:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-09-25 15:16:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-09-25 15:16:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-09-25 15:16:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-09-25 15:16:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-09-25 15:16:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-09-25 15:16:17,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 15:16:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 15:16:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 15:16:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 15:16:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 15:16:17,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 15:16:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 15:16:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 15:16:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 15:16:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-09-25 15:16:17,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-09-25 15:16:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2020-09-25 15:16:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be32 [2020-09-25 15:16:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2020-09-25 15:16:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2020-09-25 15:16:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 15:16:17,595 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-09-25 15:16:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_of [2020-09-25 15:16:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd_complete [2020-09-25 15:16:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_linkcmd [2020-09-25 15:16:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_bind [2020-09-25 15:16:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2020-09-25 15:16:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2020-09-25 15:16:17,597 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_init [2020-09-25 15:16:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_driver_exit [2020-09-25 15:16:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-09-25 15:16:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-09-25 15:16:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 15:16:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-09-25 15:16:17,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-09-25 15:16:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-09-25 15:16:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-09-25 15:16:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-09-25 15:16:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_12 [2020-09-25 15:16:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-09-25 15:16:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-09-25 15:16:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-09-25 15:16:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-09-25 15:16:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-09-25 15:16:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-09-25 15:16:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-25 15:16:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-25 15:16:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-25 15:16:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-25 15:16:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-09-25 15:16:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 15:16:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-09-25 15:16:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-09-25 15:16:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-09-25 15:16:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-09-25 15:16:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-09-25 15:16:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 15:16:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-09-25 15:16:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-09-25 15:16:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-09-25 15:16:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-09-25 15:16:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-09-25 15:16:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-09-25 15:16:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-09-25 15:16:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-09-25 15:16:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-09-25 15:16:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-09-25 15:16:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-09-25 15:16:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-09-25 15:16:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 15:16:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 15:16:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2020-09-25 15:16:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 15:16:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 15:16:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 15:16:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_device_suggests_idle [2020-09-25 15:16:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-09-25 15:16:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-09-25 15:16:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-09-25 15:16:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-09-25 15:16:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-09-25 15:16:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-09-25 15:16:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 15:16:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 15:16:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 15:16:17,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-09-25 15:16:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 15:16:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 15:16:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-09-25 15:16:17,609 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-09-25 15:16:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32p [2020-09-25 15:16:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 15:16:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2020-09-25 15:16:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-09-25 15:16:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2020-09-25 15:16:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-09-25 15:16:17,610 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 15:16:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-09-25 15:16:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-09-25 15:16:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 15:16:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 15:16:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-09-25 15:16:17,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-09-25 15:16:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-09-25 15:16:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-09-25 15:16:17,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-09-25 15:16:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-09-25 15:16:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-09-25 15:16:17,613 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-09-25 15:16:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 15:16:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-09-25 15:16:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-09-25 15:16:17,614 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-09-25 15:16:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 15:16:17,615 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-09-25 15:16:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-09-25 15:16:17,616 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-09-25 15:16:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-09-25 15:16:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-09-25 15:16:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-09-25 15:16:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-09-25 15:16:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-09-25 15:16:17,620 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 15:16:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 15:16:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 15:16:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 15:16:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 15:16:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 15:16:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 15:16:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 15:16:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 15:16:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 15:16:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 15:16:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 15:16:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 15:16:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 15:16:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 15:16:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-09-25 15:16:17,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-09-25 15:16:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-09-25 15:16:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-09-25 15:16:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-09-25 15:16:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-09-25 15:16:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2020-09-25 15:16:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be32 [2020-09-25 15:16:17,632 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2020-09-25 15:16:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2020-09-25 15:16:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 15:16:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2020-09-25 15:16:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 15:16:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_12 [2020-09-25 15:16:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 15:16:17,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-09-25 15:16:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-09-25 15:16:17,634 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 15:16:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 15:16:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 15:16:17,635 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-09-25 15:16:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure driver_of [2020-09-25 15:16:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-09-25 15:16:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-09-25 15:16:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-09-25 15:16:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-09-25 15:16:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_device_suggests_idle [2020-09-25 15:16:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-09-25 15:16:17,636 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-09-25 15:16:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd_complete [2020-09-25 15:16:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure eem_linkcmd [2020-09-25 15:16:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 15:16:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure eem_bind [2020-09-25 15:16:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2020-09-25 15:16:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-09-25 15:16:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2020-09-25 15:16:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 15:16:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_init [2020-09-25 15:16:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure eem_driver_exit [2020-09-25 15:16:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-09-25 15:16:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-09-25 15:16:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 15:16:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 15:16:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 15:16:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 15:16:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-09-25 15:16:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-09-25 15:16:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-09-25 15:16:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-09-25 15:16:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-09-25 15:16:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-25 15:16:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-25 15:16:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-25 15:16:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-25 15:16:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-09-25 15:16:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-09-25 15:16:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-09-25 15:16:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-09-25 15:16:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-09-25 15:16:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-09-25 15:16:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 15:16:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 15:16:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 15:16:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 15:16:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 15:16:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 15:16:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 15:16:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 15:16:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 15:16:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 15:16:18,231 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 15:16:19,475 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 15:16:19,475 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 15:16:19,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:16:19 BoogieIcfgContainer [2020-09-25 15:16:19,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 15:16:19,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 15:16:19,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 15:16:19,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 15:16:19,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:16:15" (1/3) ... [2020-09-25 15:16:19,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc555f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:16:19, skipping insertion in model container [2020-09-25 15:16:19,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:17" (2/3) ... [2020-09-25 15:16:19,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc555f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:16:19, skipping insertion in model container [2020-09-25 15:16:19,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:16:19" (3/3) ... [2020-09-25 15:16:19,496 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 15:16:19,507 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 15:16:19,556 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 15:16:19,578 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 15:16:19,611 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 15:16:19,612 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 15:16:19,612 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 15:16:19,612 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 15:16:19,612 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 15:16:19,612 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 15:16:19,612 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 15:16:19,612 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 15:16:19,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states. [2020-09-25 15:16:19,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 15:16:19,673 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:19,675 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 15:16:19,675 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:19,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:19,683 INFO L82 PathProgramCache]: Analyzing trace with hash -410682460, now seen corresponding path program 1 times [2020-09-25 15:16:19,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:19,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201452299] [2020-09-25 15:16:19,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:20,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:20,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:21,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:24,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:25,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:25,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 15:16:25,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 15:16:25,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5080 [2020-09-25 15:16:25,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:25,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:25,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 15:16:25,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-25 15:16:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 15:16:25,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 15:16:25,903 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 15:16:25,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:26,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:26,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:26,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 15:16:26,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:26,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-09-25 15:16:26,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:26,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:26,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:26,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:26,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:26,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 15:16:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:26,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:26,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:26,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:26,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:26,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 15:16:26,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:26,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:26,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:26,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:26,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:26,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:26,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 15:16:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:26,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:26,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:26,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:26,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:26,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 15:16:26,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:26,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:26,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:26,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 15:16:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:26,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:26,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:26,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 15:16:26,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:26,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 15:16:26,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:26,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 15:16:26,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:26,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:26,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:26,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:26,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 15:16:26,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:26,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 15:16:26,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:26,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 15:16:26,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:26,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 15:16:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:26,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:26,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:26,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:26,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:26,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:26,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-25 15:16:26,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:26,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:26,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:26,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 15:16:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:26,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:26,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:27,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:27,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-25 15:16:27,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:27,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:27,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:27,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-25 15:16:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 15:16:27,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 15:16:27,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:27,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 15:16:27,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 15:16:27,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 15:16:27,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:27,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:27,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 15:16:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 15:16:27,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 15:16:27,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:27,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:27,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:27,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-25 15:16:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:27,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:27,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:27,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:27,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:27,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-09-25 15:16:27,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:27,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:27,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 15:16:27,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:27,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:27,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:27,583 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 15:16:27,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201452299] [2020-09-25 15:16:27,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 15:16:27,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 15:16:27,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772797139] [2020-09-25 15:16:27,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 15:16:27,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 15:16:27,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 15:16:27,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 15:16:27,615 INFO L87 Difference]: Start difference. First operand 1198 states. Second operand 11 states. [2020-09-25 15:16:28,539 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 15:16:31,573 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-09-25 15:16:32,004 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 15:16:32,412 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-09-25 15:16:32,854 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-25 15:16:41,924 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 15:16:42,401 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 15:16:48,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 15:16:48,210 INFO L93 Difference]: Finished difference Result 3962 states and 4685 transitions. [2020-09-25 15:16:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 15:16:48,213 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 230 [2020-09-25 15:16:48,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 15:16:48,258 INFO L225 Difference]: With dead ends: 3962 [2020-09-25 15:16:48,259 INFO L226 Difference]: Without dead ends: 2881 [2020-09-25 15:16:48,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2020-09-25 15:16:48,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2881 states. [2020-09-25 15:16:48,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2881 to 2216. [2020-09-25 15:16:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2216 states. [2020-09-25 15:16:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2469 transitions. [2020-09-25 15:16:48,581 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2469 transitions. Word has length 230 [2020-09-25 15:16:48,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 15:16:48,586 INFO L479 AbstractCegarLoop]: Abstraction has 2216 states and 2469 transitions. [2020-09-25 15:16:48,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 15:16:48,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2469 transitions. [2020-09-25 15:16:48,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-09-25 15:16:48,611 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 15:16:48,612 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 15:16:48,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 15:16:48,612 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 15:16:48,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 15:16:48,613 INFO L82 PathProgramCache]: Analyzing trace with hash 306965196, now seen corresponding path program 1 times [2020-09-25 15:16:48,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 15:16:48,613 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258735441] [2020-09-25 15:16:48,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 15:16:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:49,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:49,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:49,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:49,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:52,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:54,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:54,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 532 [2020-09-25 15:16:54,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 15:16:54,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5165 [2020-09-25 15:16:54,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:54,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:54,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 15:16:54,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 15:16:54,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 15:16:54,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:54,401 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 15:16:54,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:54,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:54,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:54,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-25 15:16:54,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:54,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-09-25 15:16:54,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:54,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:54,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:54,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 15:16:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:54,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:54,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:54,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:54,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:54,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 15:16:54,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:54,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:54,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:54,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:54,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:54,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:54,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 15:16:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:54,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:54,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:54,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:54,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:54,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 15:16:54,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:54,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:54,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:54,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:54,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 15:16:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:54,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:54,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:54,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 15:16:54,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:54,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 15:16:54,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:54,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:54,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:54,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:54,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:54,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 15:16:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:54,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:54,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:54,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 15:16:54,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:54,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 15:16:54,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:54,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:54,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:54,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:54,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 15:16:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:54,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:54,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:55,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:55,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:55,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:55,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 15:16:55,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:55,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 15:16:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 15:16:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:55,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:55,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-25 15:16:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:55,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:55,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:55,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:55,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:55,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 15:16:55,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-25 15:16:55,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:55,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:55,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 15:16:55,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 15:16:55,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 15:16:55,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:55,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 15:16:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:55,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:55,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:56,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:58,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:58,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-25 15:16:58,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 15:16:58,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3065 [2020-09-25 15:16:58,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:58,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-25 15:16:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-25 15:16:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 15:16:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 15:16:58,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 15:16:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:58,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:58,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:58,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 15:16:58,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:58,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 15:16:58,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:58,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:58,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:58,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:58,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:58,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:58,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 15:16:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:58,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:58,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:58,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 15:16:58,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:58,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 15:16:58,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:58,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:58,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:58,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:58,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-25 15:16:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:58,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:58,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:58,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 15:16:58,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:58,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 15:16:58,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:58,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:58,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:58,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:58,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 15:16:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:58,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:58,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:58,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:58,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:58,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 15:16:58,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:58,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:58,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:58,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:58,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:58,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-25 15:16:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:58,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:58,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:58,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 15:16:58,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:58,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 15:16:58,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:58,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 15:16:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:58,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 15:16:58,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:58,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 15:16:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:58,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:59,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:59,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:59,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:59,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 15:16:59,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:59,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:59,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 15:16:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 15:16:59,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:59,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 15:16:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:59,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:59,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:59,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 15:16:59,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-25 15:16:59,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:59,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:59,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 15:16:59,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:59,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 15:16:59,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:59,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 15:16:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:59,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:59,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:59,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 15:16:59,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:59,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 15:16:59,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:59,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:59,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:59,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 15:16:59,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:59,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:59,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-25 15:16:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:59,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:59,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:59,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 15:16:59,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:59,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 15:16:59,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:59,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 15:16:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:59,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:59,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 15:16:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 15:16:59,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 15:16:59,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 15:16:59,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 15:16:59,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 15:16:59,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 15:16:59,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 15:16:59,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 15:16:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 15:16:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 15:16:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 15:16:59,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 15:16:59,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 15:16:59,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 15:16:59,479 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 15:16:59,487 INFO L168 Benchmark]: Toolchain (without parser) took 44365.09 ms. Allocated memory was 147.3 MB in the beginning and 815.8 MB in the end (delta: 668.5 MB). Free memory was 95.5 MB in the beginning and 103.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 660.9 MB. Max. memory is 7.1 GB. [2020-09-25 15:16:59,489 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.3 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 15:16:59,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2153.75 ms. Allocated memory was 147.3 MB in the beginning and 242.7 MB in the end (delta: 95.4 MB). Free memory was 94.8 MB in the beginning and 194.6 MB in the end (delta: -99.8 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-09-25 15:16:59,497 INFO L168 Benchmark]: Boogie Preprocessor took 218.18 ms. Allocated memory is still 242.7 MB. Free memory was 194.6 MB in the beginning and 185.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-09-25 15:16:59,498 INFO L168 Benchmark]: RCFGBuilder took 1987.89 ms. Allocated memory was 242.7 MB in the beginning and 263.7 MB in the end (delta: 21.0 MB). Free memory was 185.6 MB in the beginning and 83.1 MB in the end (delta: 102.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 7.1 GB. [2020-09-25 15:16:59,498 INFO L168 Benchmark]: TraceAbstraction took 39997.43 ms. Allocated memory was 263.7 MB in the beginning and 815.8 MB in the end (delta: 552.1 MB). Free memory was 83.1 MB in the beginning and 103.1 MB in the end (delta: -20.0 MB). Peak memory consumption was 532.1 MB. Max. memory is 7.1 GB. [2020-09-25 15:16:59,512 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.3 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 2153.75 ms. Allocated memory was 147.3 MB in the beginning and 242.7 MB in the end (delta: 95.4 MB). Free memory was 94.8 MB in the beginning and 194.6 MB in the end (delta: -99.8 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 218.18 ms. Allocated memory is still 242.7 MB. Free memory was 194.6 MB in the beginning and 185.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1987.89 ms. Allocated memory was 242.7 MB in the beginning and 263.7 MB in the end (delta: 21.0 MB). Free memory was 185.6 MB in the beginning and 83.1 MB in the end (delta: 102.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 39997.43 ms. Allocated memory was 263.7 MB in the beginning and 815.8 MB in the end (delta: 552.1 MB). Free memory was 83.1 MB in the beginning and 103.1 MB in the end (delta: -20.0 MB). Peak memory consumption was 532.1 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...