/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=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_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 13:58:45,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 13:58:45,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 13:58:45,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 13:58:45,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 13:58:45,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 13:58:45,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 13:58:45,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 13:58:45,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 13:58:45,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 13:58:45,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 13:58:45,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 13:58:45,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 13:58:45,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 13:58:45,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 13:58:45,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 13:58:45,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 13:58:45,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 13:58:45,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 13:58:45,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 13:58:45,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 13:58:45,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 13:58:45,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 13:58:45,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 13:58:45,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 13:58:45,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 13:58:45,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 13:58:45,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 13:58:45,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 13:58:45,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 13:58:45,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 13:58:45,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 13:58:45,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 13:58:45,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 13:58:45,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 13:58:45,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 13:58:45,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 13:58:45,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 13:58:45,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 13:58:45,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 13:58:45,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 13:58:45,827 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 [2020-10-14 13:58:45,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 13:58:45,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 13:58:45,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 13:58:45,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 13:58:45,851 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 13:58:45,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 13:58:45,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 13:58:45,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 13:58:45,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 13:58:45,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 13:58:45,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 13:58:45,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 13:58:45,852 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 13:58:45,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 13:58:45,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 13:58:45,853 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 13:58:45,853 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 13:58:45,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 13:58:45,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 13:58:45,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 13:58:45,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 13:58:45,854 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 13:58:45,854 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 13:58:45,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 13:58:45,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 13:58:45,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 13:58:45,855 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 13:58:45,855 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 13:58:46,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 13:58:46,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 13:58:46,207 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 13:58:46,209 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 13:58:46,211 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 13:58:46,213 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2020-10-14 13:58:46,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00ff0c096/f80ef6a714bc4bb28e8995a13be9fbe2/FLAG7627deffb [2020-10-14 13:58:46,960 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 13:58:46,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2020-10-14 13:58:46,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00ff0c096/f80ef6a714bc4bb28e8995a13be9fbe2/FLAG7627deffb [2020-10-14 13:58:47,083 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/00ff0c096/f80ef6a714bc4bb28e8995a13be9fbe2 [2020-10-14 13:58:47,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 13:58:47,092 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 13:58:47,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 13:58:47,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 13:58:47,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 13:58:47,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:58:47" (1/1) ... [2020-10-14 13:58:47,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703c42ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:47, skipping insertion in model container [2020-10-14 13:58:47,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:58:47" (1/1) ... [2020-10-14 13:58:47,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 13:58:47,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 13:58:48,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 13:58:48,637 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 13:58:48,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 13:58:48,996 INFO L208 MainTranslator]: Completed translation [2020-10-14 13:58:48,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:48 WrapperNode [2020-10-14 13:58:48,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 13:58:48,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 13:58:48,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 13:58:48,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 13:58:49,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:48" (1/1) ... [2020-10-14 13:58:49,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:48" (1/1) ... [2020-10-14 13:58:49,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:48" (1/1) ... [2020-10-14 13:58:49,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:48" (1/1) ... [2020-10-14 13:58:49,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:48" (1/1) ... [2020-10-14 13:58:49,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:48" (1/1) ... [2020-10-14 13:58:49,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:48" (1/1) ... [2020-10-14 13:58:49,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 13:58:49,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 13:58:49,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 13:58:49,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 13:58:49,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:48" (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 [2020-10-14 13:58:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 13:58:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 13:58:49,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-14 13:58:49,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-14 13:58:49,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-10-14 13:58:49,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-14 13:58:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-14 13:58:49,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-10-14 13:58:49,365 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-14 13:58:49,367 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-14 13:58:49,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 13:58:49,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 13:58:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 13:58:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 13:58:49,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 13:58:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 13:58:49,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 13:58:49,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 13:58:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 13:58:49,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-14 13:58:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 13:58:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_rx_fixup [2020-10-14 13:58:49,376 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_tx_fixup [2020-10-14 13:58:49,377 INFO L138 BoogieDeclarations]: Found implementation of procedure genelink_bind [2020-10-14 13:58:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_init [2020-10-14 13:58:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure gl620a_driver_exit [2020-10-14 13:58:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-14 13:58:49,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-14 13:58:49,379 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 13:58:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-14 13:58:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-14 13:58:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-14 13:58:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-14 13:58:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-14 13:58:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2020-10-14 13:58:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_13 [2020-10-14 13:58:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_14 [2020-10-14 13:58:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-14 13:58:49,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-14 13:58:49,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-14 13:58:49,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-14 13:58:49,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-14 13:58:49,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-14 13:58:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-14 13:58:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-14 13:58:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-14 13:58:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-14 13:58:49,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 13:58:49,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-14 13:58:49,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-14 13:58:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-14 13:58:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-14 13:58:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-14 13:58:49,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 13:58:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-14 13:58:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-14 13:58:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2020-10-14 13:58:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-10-14 13:58:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-14 13:58:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-14 13:58:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-14 13:58:49,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-14 13:58:49,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 13:58:49,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 13:58:49,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-14 13:58:49,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-14 13:58:49,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-14 13:58:49,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-14 13:58:49,394 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-14 13:58:49,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 13:58:49,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 13:58:49,396 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 13:58:49,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 13:58:49,398 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2020-10-14 13:58:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 13:58:49,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 13:58:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-14 13:58:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 13:58:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-14 13:58:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-14 13:58:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 13:58:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-14 13:58:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-14 13:58:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-14 13:58:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-14 13:58:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-14 13:58:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2020-10-14 13:58:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-14 13:58:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-14 13:58:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 13:58:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-10-14 13:58:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-14 13:58:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-14 13:58:49,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 13:58:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-10-14 13:58:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-14 13:58:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-14 13:58:49,404 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-14 13:58:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-14 13:58:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-14 13:58:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-14 13:58:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-14 13:58:49,405 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 13:58:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 13:58:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 13:58:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 13:58:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 13:58:49,406 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 13:58:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 13:58:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 13:58:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 13:58:49,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 13:58:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 13:58:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 13:58:49,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 13:58:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 13:58:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 13:58:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-14 13:58:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-14 13:58:49,409 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-14 13:58:49,410 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-14 13:58:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 13:58:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_13 [2020-10-14 13:58:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 13:58:49,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_14 [2020-10-14 13:58:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 13:58:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 13:58:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-14 13:58:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-14 13:58:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-14 13:58:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-14 13:58:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-14 13:58:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_rx_fixup [2020-10-14 13:58:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 13:58:49,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 13:58:49,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 13:58:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 13:58:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_tx_fixup [2020-10-14 13:58:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2020-10-14 13:58:49,422 INFO L130 BoogieDeclarations]: Found specification of procedure genelink_bind [2020-10-14 13:58:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_init [2020-10-14 13:58:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure gl620a_driver_exit [2020-10-14 13:58:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-10-14 13:58:49,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2020-10-14 13:58:49,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 13:58:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 13:58:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 13:58:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 13:58:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-14 13:58:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-14 13:58:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-14 13:58:49,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-14 13:58:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-14 13:58:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-14 13:58:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-14 13:58:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-14 13:58:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-14 13:58:49,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-14 13:58:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-14 13:58:49,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-14 13:58:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-14 13:58:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 13:58:49,434 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 13:58:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 13:58:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 13:58:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 13:58:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 13:58:49,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 13:58:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 13:58:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 13:58:49,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 13:58:50,216 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 13:58:52,550 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 13:58:52,550 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 13:58:52,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:58:52 BoogieIcfgContainer [2020-10-14 13:58:52,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 13:58:52,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 13:58:52,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 13:58:52,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 13:58:52,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 01:58:47" (1/3) ... [2020-10-14 13:58:52,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652ad9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:58:52, skipping insertion in model container [2020-10-14 13:58:52,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:58:48" (2/3) ... [2020-10-14 13:58:52,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652ad9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:58:52, skipping insertion in model container [2020-10-14 13:58:52,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:58:52" (3/3) ... [2020-10-14 13:58:52,564 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--gl620a.ko-entry_point.cil.out.i [2020-10-14 13:58:52,575 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 13:58:52,583 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 13:58:52,597 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 13:58:52,625 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 13:58:52,625 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 13:58:52,625 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 13:58:52,625 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 13:58:52,626 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 13:58:52,626 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 13:58:52,626 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 13:58:52,626 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 13:58:52,652 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states. [2020-10-14 13:58:52,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-14 13:58:52,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:58:52,665 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 13:58:52,666 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:58:52,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:58:52,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1104668606, now seen corresponding path program 1 times [2020-10-14 13:58:52,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:58:52,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1648447046] [2020-10-14 13:58:52,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:58:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:53,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:53,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:53,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:55,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:58,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:58,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 13:58:58,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 13:58:58,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-14 13:58:58,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:58,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:58:58,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-14 13:58:58,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 13:58:58,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 13:58:58,667 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-14 13:58:58,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:58:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:58,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:58,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:58,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:58:58,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:58:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-14 13:58:58,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:58,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:58:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:58,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:58:58,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:58:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:58,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:58,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:58,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:58:58,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:58:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:58:58,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:58,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:58,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:58,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:58:58,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:58,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:58:58,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 13:58:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:58,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:58,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:58,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:58:58,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:58:58,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:58:58,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:58,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:58,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:58,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:58:58,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:58,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:58:58,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:58:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:58,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:58,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:58,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:58:58,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:58:58,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 13:58:58,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:58,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:58,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:58:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:58:58,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:58:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:58,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:58,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:58,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:58:58,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:58:58,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:58:58,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:58,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:58:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:58,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:58:58,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 13:58:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:58,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:58,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:58,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:58,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:58:58,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:58:58,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 13:58:58,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:58,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:58,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:58:58,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:58,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:58:58,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 13:58:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:58,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:58,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:58,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:58,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:58:58,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:58:58,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 13:58:58,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:58,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:58:58,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:58,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:58:58,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 13:58:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:59,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:59,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:59,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 13:58:59,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:58:59,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 13:58:59,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:59,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 13:58:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:59,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:58:59,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:58:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:59,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:59,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:59,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 13:58:59,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:58:59,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 13:58:59,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:59,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:58:59,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:59,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:58:59,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:58:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:59,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:59,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:59,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:58:59,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:58:59,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 13:58:59,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:59,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:59,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:59,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:58:59,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:59,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:58:59,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 13:58:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:58:59,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:58:59,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:58:59,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:58:59,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:58:59,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:58:59,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:58:59,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:58:59,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:58:59,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:58:59,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:58:59,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:58:59,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 13:58:59,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1648447046] [2020-10-14 13:58:59,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:58:59,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 13:58:59,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590594192] [2020-10-14 13:58:59,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 13:58:59,147 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:58:59,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 13:58:59,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 13:58:59,168 INFO L87 Difference]: Start difference. First operand 386 states. Second operand 8 states. [2020-10-14 13:59:04,799 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-14 13:59:11,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:59:11,804 INFO L93 Difference]: Finished difference Result 1419 states and 2031 transitions. [2020-10-14 13:59:11,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 13:59:11,807 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-10-14 13:59:11,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:59:11,834 INFO L225 Difference]: With dead ends: 1419 [2020-10-14 13:59:11,834 INFO L226 Difference]: Without dead ends: 1020 [2020-10-14 13:59:11,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2020-10-14 13:59:11,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1020 states. [2020-10-14 13:59:12,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1020 to 648. [2020-10-14 13:59:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-10-14 13:59:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 808 transitions. [2020-10-14 13:59:12,057 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 808 transitions. Word has length 66 [2020-10-14 13:59:12,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:59:12,058 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 808 transitions. [2020-10-14 13:59:12,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 13:59:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 808 transitions. [2020-10-14 13:59:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-14 13:59:12,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:59:12,064 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-14 13:59:12,064 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 13:59:12,065 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:59:12,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:59:12,065 INFO L82 PathProgramCache]: Analyzing trace with hash 600842837, now seen corresponding path program 1 times [2020-10-14 13:59:12,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:59:12,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284655969] [2020-10-14 13:59:12,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:59:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:12,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:12,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:13,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:16,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:16,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-14 13:59:16,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:59:16,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4198 [2020-10-14 13:59:16,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:16,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 13:59:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 13:59:16,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 13:59:16,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:16,981 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-14 13:59:16,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:59:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:59:17,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-14 13:59:17,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:17,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:59:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:59:17,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:59:17,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:17,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 13:59:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:59:17,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:59:17,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:17,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:59:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:59:17,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:59:17,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:17,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:59:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:59:17,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:59:17,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:17,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:17,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 13:59:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:59:17,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:59:17,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 13:59:17,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:17,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 13:59:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:59:17,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 13:59:17,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 13:59:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 13:59:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 13:59:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:59:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 13:59:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 13:59:17,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 13:59:17,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-14 13:59:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:17,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:59:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 13:59:17,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 13:59:17,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:17,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:59:17,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:59:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:59:17,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:59:17,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:17,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:17,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:59:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 13:59:17,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:59:17,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:17,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:17,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:59:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:59:17,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:59:17,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:17,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:17,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-14 13:59:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:17,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:17,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:17,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:59:17,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:59:17,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:17,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:17,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:17,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 13:59:17,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:17,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:59:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 13:59:17,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284655969] [2020-10-14 13:59:17,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:59:17,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 13:59:17,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101974700] [2020-10-14 13:59:17,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 13:59:17,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:59:17,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 13:59:17,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-14 13:59:17,546 INFO L87 Difference]: Start difference. First operand 648 states and 808 transitions. Second operand 10 states. [2020-10-14 13:59:26,082 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2020-10-14 13:59:26,547 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-14 13:59:30,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:59:30,918 INFO L93 Difference]: Finished difference Result 1504 states and 1953 transitions. [2020-10-14 13:59:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 13:59:30,919 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 82 [2020-10-14 13:59:30,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:59:30,926 INFO L225 Difference]: With dead ends: 1504 [2020-10-14 13:59:30,926 INFO L226 Difference]: Without dead ends: 872 [2020-10-14 13:59:30,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-10-14 13:59:30,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-10-14 13:59:31,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 649. [2020-10-14 13:59:31,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-10-14 13:59:31,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 809 transitions. [2020-10-14 13:59:31,120 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 809 transitions. Word has length 82 [2020-10-14 13:59:31,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:59:31,121 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 809 transitions. [2020-10-14 13:59:31,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 13:59:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 809 transitions. [2020-10-14 13:59:31,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-14 13:59:31,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:59:31,124 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-14 13:59:31,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 13:59:31,125 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:59:31,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:59:31,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1190840247, now seen corresponding path program 1 times [2020-10-14 13:59:31,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:59:31,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749795246] [2020-10-14 13:59:31,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:59:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:31,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:31,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:32,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:36,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:36,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 13:59:36,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 13:59:36,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-14 13:59:36,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:36,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:36,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 13:59:36,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-14 13:59:36,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 13:59:36,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:59:36,829 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-14 13:59:36,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:59:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:36,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:36,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:36,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:59:36,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:36,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 13:59:36,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:36,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:36,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:59:36,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:59:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:36,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:36,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:36,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:59:36,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:36,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 13:59:36,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:36,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:36,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:59:36,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 13:59:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:36,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:36,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:36,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:59:36,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:59:36,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:36,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:36,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:59:36,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 13:59:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:36,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:36,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:36,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 13:59:36,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:36,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 13:59:36,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:36,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:36,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:59:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 13:59:36,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:59:37,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 13:59:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:37,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:37,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:59:37,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 13:59:37,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:37,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:59:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 13:59:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:37,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 13:59:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:37,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:37,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:59:37,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:59:37,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 13:59:37,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:37,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:37,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:59:37,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:37,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 13:59:37,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:37,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 13:59:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:37,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:37,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 13:59:37,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 13:59:37,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 13:59:37,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:37,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:59:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:37,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 13:59:37,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 13:59:37,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 13:59:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:37,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:37,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 13:59:37,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:37,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 13:59:37,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:37,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:37,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 13:59:37,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:37,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 13:59:37,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:37,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:59:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:37,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:37,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 13:59:37,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:37,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 13:59:37,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:37,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:37,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:59:37,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:59:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:37,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:37,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:59:37,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 13:59:37,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:37,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:37,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:37,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 13:59:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:37,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:37,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 13:59:37,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:37,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 13:59:37,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:37,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:37,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:37,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:37,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:37,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:37,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 13:59:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:37,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:37,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 13:59:37,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:37,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 13:59:37,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:37,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 13:59:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 13:59:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 13:59:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 13:59:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:37,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:37,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 13:59:37,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 13:59:37,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 13:59:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 13:59:37,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 13:59:37,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 13:59:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 13:59:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 13:59:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 13:59:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 13:59:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-14 13:59:37,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749795246] [2020-10-14 13:59:37,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 13:59:37,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 13:59:37,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270124498] [2020-10-14 13:59:37,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 13:59:37,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 13:59:37,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 13:59:37,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-14 13:59:37,471 INFO L87 Difference]: Start difference. First operand 649 states and 809 transitions. Second operand 12 states. [2020-10-14 13:59:46,155 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-14 13:59:51,067 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-10-14 13:59:51,686 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-14 13:59:52,268 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-14 13:59:56,281 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2020-10-14 13:59:57,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 13:59:57,286 INFO L93 Difference]: Finished difference Result 2255 states and 2958 transitions. [2020-10-14 13:59:57,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 13:59:57,291 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-10-14 13:59:57,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 13:59:57,306 INFO L225 Difference]: With dead ends: 2255 [2020-10-14 13:59:57,306 INFO L226 Difference]: Without dead ends: 1611 [2020-10-14 13:59:57,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=203, Invalid=447, Unknown=0, NotChecked=0, Total=650 [2020-10-14 13:59:57,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2020-10-14 13:59:57,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1326. [2020-10-14 13:59:57,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2020-10-14 13:59:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1684 transitions. [2020-10-14 13:59:57,616 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1684 transitions. Word has length 84 [2020-10-14 13:59:57,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 13:59:57,618 INFO L479 AbstractCegarLoop]: Abstraction has 1326 states and 1684 transitions. [2020-10-14 13:59:57,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 13:59:57,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1684 transitions. [2020-10-14 13:59:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-14 13:59:57,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 13:59:57,631 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 13:59:57,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 13:59:57,631 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 13:59:57,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 13:59:57,632 INFO L82 PathProgramCache]: Analyzing trace with hash -325669772, now seen corresponding path program 1 times [2020-10-14 13:59:57,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 13:59:57,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586104360] [2020-10-14 13:59:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 13:59:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 13:59:57,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:57,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:57,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:58,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 13:59:58,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:02,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:02,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-14 14:00:02,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 14:00:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-14 14:00:02,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:02,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 14:00:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-14 14:00:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 14:00:02,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:03,287 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-14 14:00:03,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:00:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:03,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:03,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:03,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:03,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 14:00:03,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:03,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:03,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:03,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:03,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:00:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:03,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:03,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:03,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:03,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:03,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:03,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:03,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:03,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:03,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 14:00:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:03,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:03,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:03,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:03,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:03,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:00:03,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:03,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:03,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:03,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 14:00:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:03,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:03,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:03,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 14:00:03,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:03,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 14:00:03,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:03,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:03,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:03,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:03,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:03,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:00:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:03,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:03,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:03,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:03,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:03,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:03,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:03,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 14:00:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:03,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:03,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:03,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 14:00:03,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:03,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 14:00:03,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:03,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:03,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:03,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:03,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:03,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:03,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 14:00:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:03,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:03,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:03,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:03,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 14:00:03,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:03,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 14:00:03,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:03,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:03,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:03,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:03,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:03,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 14:00:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:03,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:03,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:04,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:04,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:04,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 14:00:04,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 14:00:04,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 902 [2020-10-14 14:00:04,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:04,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:04,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 14:00:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:04,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:04,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 14:00:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:04,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:04,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:04,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:04,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:04,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 14:00:04,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:04,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:04,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:04,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:04,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:04,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:04,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:04,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:04,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:00:04,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:04,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:04,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:04,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 14:00:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:04,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:04,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:04,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 14:00:05,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 14:00:05,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 368 [2020-10-14 14:00:05,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 14:00:05,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:05,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 14:00:05,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:05,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:05,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 14:00:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 14:00:05,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:00:05,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 14:00:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:05,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:00:05,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:05,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:05,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:05,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 14:00:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:05,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:00:05,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:05,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:05,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-14 14:00:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 14:00:05,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 14:00:05,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-14 14:00:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:05,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 14:00:05,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 14:00:05,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:05,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:00:05,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:00:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:05,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 14:00:05,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:05,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:05,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-14 14:00:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:05,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:05,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:05,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:05,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:05,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:05,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:05,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 14:00:05,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:05,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:05,633 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-14 14:00:05,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586104360] [2020-10-14 14:00:05,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 14:00:05,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 14:00:05,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134047688] [2020-10-14 14:00:05,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 14:00:05,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 14:00:05,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 14:00:05,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 14:00:05,642 INFO L87 Difference]: Start difference. First operand 1326 states and 1684 transitions. Second operand 12 states. [2020-10-14 14:00:13,796 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-14 14:00:19,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 14:00:19,963 INFO L93 Difference]: Finished difference Result 3331 states and 4352 transitions. [2020-10-14 14:00:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 14:00:19,964 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-10-14 14:00:19,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 14:00:19,977 INFO L225 Difference]: With dead ends: 3331 [2020-10-14 14:00:19,977 INFO L226 Difference]: Without dead ends: 2031 [2020-10-14 14:00:19,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-10-14 14:00:19,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2020-10-14 14:00:20,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1581. [2020-10-14 14:00:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1581 states. [2020-10-14 14:00:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2017 transitions. [2020-10-14 14:00:20,297 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2017 transitions. Word has length 166 [2020-10-14 14:00:20,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 14:00:20,297 INFO L479 AbstractCegarLoop]: Abstraction has 1581 states and 2017 transitions. [2020-10-14 14:00:20,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 14:00:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2017 transitions. [2020-10-14 14:00:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-14 14:00:20,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 14:00:20,306 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 14:00:20,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 14:00:20,307 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 14:00:20,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 14:00:20,307 INFO L82 PathProgramCache]: Analyzing trace with hash -731905165, now seen corresponding path program 1 times [2020-10-14 14:00:20,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 14:00:20,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269539900] [2020-10-14 14:00:20,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 14:00:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:20,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:20,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:20,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:20,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:20,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:22,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:25,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:25,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-14 14:00:25,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 14:00:25,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 14:00:25,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:25,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:25,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 14:00:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-14 14:00:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 14:00:25,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:26,087 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-14 14:00:26,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:00:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:26,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 14:00:26,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:26,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:00:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:26,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:26,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:26,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 14:00:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:26,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 14:00:26,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:26,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 14:00:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 14:00:26,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:00:26,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:26,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:00:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:26,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:26,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:26,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 14:00:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 14:00:26,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:26,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 14:00:26,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:26,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 14:00:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 14:00:26,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:26,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 14:00:26,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:26,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 14:00:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 14:00:26,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 14:00:26,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:26,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 14:00:26,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 14:00:26,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:26,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:26,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:26,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 14:00:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:00:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:26,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:00:26,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:26,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:26,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:26,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:26,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 14:00:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 14:00:26,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 14:00:26,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 14:00:26,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 14:00:26,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:26,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:26,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:26,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:26,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 14:00:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:26,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:26,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:26,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:26,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:26,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:26,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:26,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:26,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:26,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:26,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 14:00:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:26,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:26,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:27,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:27,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:27,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 14:00:27,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 14:00:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 705 [2020-10-14 14:00:27,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:27,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-14 14:00:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:27,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 14:00:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:27,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:27,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:27,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:27,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:27,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:00:27,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:27,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:27,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:27,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:27,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:27,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:27,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:27,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:00:27,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:27,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:27,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:27,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 14:00:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:27,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:27,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:27,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:27,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:27,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 14:00:27,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 14:00:27,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-14 14:00:27,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:27,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:27,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:27,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:27,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:27,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:27,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:27,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:27,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:27,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:27,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 14:00:27,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:27,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 14:00:27,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:27,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:27,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:27,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:27,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:27,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:27,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:27,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:27,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:27,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:27,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:27,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:27,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:27,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:27,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:27,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:28,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 14:00:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:28,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:28,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:28,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 14:00:28,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:28,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:00:28,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:28,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:28,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:28,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 14:00:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:28,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:28,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:28,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:28,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:28,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:28,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:28,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:28,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:28,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:28,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:28,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:28,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:28,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:28,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:28,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 14:00:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:28,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:28,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:28,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:28,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:28,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:00:28,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:28,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:28,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:28,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:28,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:28,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:28,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:28,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:28,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:28,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 14:00:28,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:28,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:28,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:28,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-14 14:00:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:28,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:28,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:28,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 14:00:28,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:28,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:00:28,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:28,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 14:00:28,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:28,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:28,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:00:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:28,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:28,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:28,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 14:00:28,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:28,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:28,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:28,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:28,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:28,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:28,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:28,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:28,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 14:00:28,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:28,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:28,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 14:00:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:28,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:28,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:28,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:28,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:28,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:28,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:28,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 14:00:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:28,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-14 14:00:28,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [269539900] [2020-10-14 14:00:28,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 14:00:28,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-14 14:00:28,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587199149] [2020-10-14 14:00:28,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 14:00:28,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 14:00:28,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 14:00:28,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-10-14 14:00:28,262 INFO L87 Difference]: Start difference. First operand 1581 states and 2017 transitions. Second operand 14 states. [2020-10-14 14:00:34,489 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2020-10-14 14:00:43,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 14:00:43,376 INFO L93 Difference]: Finished difference Result 5011 states and 6558 transitions. [2020-10-14 14:00:43,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 14:00:43,377 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 201 [2020-10-14 14:00:43,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 14:00:43,396 INFO L225 Difference]: With dead ends: 5011 [2020-10-14 14:00:43,396 INFO L226 Difference]: Without dead ends: 3456 [2020-10-14 14:00:43,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=293, Invalid=829, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 14:00:43,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3456 states. [2020-10-14 14:00:43,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3456 to 2735. [2020-10-14 14:00:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2735 states. [2020-10-14 14:00:43,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 2735 states and 3477 transitions. [2020-10-14 14:00:43,810 INFO L78 Accepts]: Start accepts. Automaton has 2735 states and 3477 transitions. Word has length 201 [2020-10-14 14:00:43,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 14:00:43,811 INFO L479 AbstractCegarLoop]: Abstraction has 2735 states and 3477 transitions. [2020-10-14 14:00:43,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 14:00:43,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 3477 transitions. [2020-10-14 14:00:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-10-14 14:00:43,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 14:00:43,819 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 14:00:43,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 14:00:43,820 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 14:00:43,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 14:00:43,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1834040109, now seen corresponding path program 1 times [2020-10-14 14:00:43,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 14:00:43,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553073859] [2020-10-14 14:00:43,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 14:00:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:43,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:43,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:44,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:44,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:48,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:48,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-14 14:00:48,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 14:00:48,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-14 14:00:48,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:48,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 14:00:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-10-14 14:00:48,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 14:00:48,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,425 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-14 14:00:49,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:00:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:49,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 14:00:49,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:00:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:49,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:00:49,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 14:00:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:49,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:49,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 14:00:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 14:00:49,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:49,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:00:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:49,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 14:00:49,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 14:00:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 14:00:49,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:49,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 14:00:49,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 14:00:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 14:00:49,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:49,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 14:00:49,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:49,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 14:00:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 14:00:49,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 14:00:49,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:49,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 14:00:49,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 14:00:49,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:49,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:49,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:00:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:49,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:49,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:49,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:49,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:49,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 14:00:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 14:00:49,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:00:49,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:49,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:49,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 14:00:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:49,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:49,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:49,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:49,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:49,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:49,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:49,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 14:00:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:49,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:49,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:50,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:50,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-14 14:00:50,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:50,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 538 [2020-10-14 14:00:50,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:50,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 14:00:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-14 14:00:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 14:00:50,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:50,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 14:00:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:50,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:50,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:50,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:50,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:50,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 14:00:50,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:50,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:50,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:50,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:50,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:50,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:50,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:50,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:50,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:50,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:50,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 14:00:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:50,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:50,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:50,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:50,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 14:00:50,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:50,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 14:00:50,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:50,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:50,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 14:00:50,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 14:00:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 14:00:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:50,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:50,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:50,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:50,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:50,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 14:00:50,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:00:50,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-14 14:00:50,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:50,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:50,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 14:00:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 14:00:50,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:50,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:50,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:50,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:50,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:50,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:50,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:50,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:50,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:50,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:50,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 14:00:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:50,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:50,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:50,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 14:00:50,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:50,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 14:00:50,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:50,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 14:00:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 14:00:50,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:51,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 14:00:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:51,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:51,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:51,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:51,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 14:00:51,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:51,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 14:00:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:51,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:51,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:51,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:51,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:51,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:51,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:51,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:51,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:51,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:51,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:51,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 14:00:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:51,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:51,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:51,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:00:51,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:51,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 14:00:51,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:51,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:51,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:51,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 14:00:51,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:51,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:51,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:51,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:51,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:51,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:00:51,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:51,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 14:00:51,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:51,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:51,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:51,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-14 14:00:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:51,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:51,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:51,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 14:00:51,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:51,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:51,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:51,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:51,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 14:00:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:51,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:51,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:00:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:51,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:51,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:51,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 14:00:51,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:51,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:00:51,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:51,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:51,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:51,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:51,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:51,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:51,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:00:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:51,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:51,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:51,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:51,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:51,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:00:51,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:51,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:51,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:51,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:00:51,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:51,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:00:51,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 14:00:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:00:51,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:00:51,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:00:51,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:00:51,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:00:51,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:00:51,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:00:51,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:00:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:00:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 14:00:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:00:51,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:00:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-10-14 14:00:51,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553073859] [2020-10-14 14:00:51,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 14:00:51,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-14 14:00:51,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029699643] [2020-10-14 14:00:51,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 14:00:51,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 14:00:51,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 14:00:51,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2020-10-14 14:00:51,338 INFO L87 Difference]: Start difference. First operand 2735 states and 3477 transitions. Second operand 17 states. [2020-10-14 14:01:08,450 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2020-10-14 14:01:09,006 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2020-10-14 14:01:09,814 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2020-10-14 14:01:10,507 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2020-10-14 14:01:15,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 14:01:15,559 INFO L93 Difference]: Finished difference Result 6229 states and 8155 transitions. [2020-10-14 14:01:15,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-14 14:01:15,560 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 201 [2020-10-14 14:01:15,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 14:01:15,580 INFO L225 Difference]: With dead ends: 6229 [2020-10-14 14:01:15,580 INFO L226 Difference]: Without dead ends: 3520 [2020-10-14 14:01:15,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=377, Invalid=1603, Unknown=0, NotChecked=0, Total=1980 [2020-10-14 14:01:15,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3520 states. [2020-10-14 14:01:16,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3520 to 2767. [2020-10-14 14:01:16,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2767 states. [2020-10-14 14:01:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 2767 states and 3505 transitions. [2020-10-14 14:01:16,040 INFO L78 Accepts]: Start accepts. Automaton has 2767 states and 3505 transitions. Word has length 201 [2020-10-14 14:01:16,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 14:01:16,041 INFO L479 AbstractCegarLoop]: Abstraction has 2767 states and 3505 transitions. [2020-10-14 14:01:16,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 14:01:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 3505 transitions. [2020-10-14 14:01:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-14 14:01:16,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 14:01:16,052 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 14:01:16,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 14:01:16,053 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 14:01:16,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 14:01:16,053 INFO L82 PathProgramCache]: Analyzing trace with hash -693201104, now seen corresponding path program 1 times [2020-10-14 14:01:16,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 14:01:16,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679631359] [2020-10-14 14:01:16,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 14:01:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:16,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:16,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:16,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:16,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:21,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:21,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-14 14:01:21,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 14:01:21,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5104 [2020-10-14 14:01:21,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:21,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 14:01:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-14 14:01:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 14:01:21,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:22,040 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-14 14:01:22,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:01:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:22,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 14:01:22,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:01:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:22,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:22,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 14:01:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:22,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:22,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 14:01:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 14:01:22,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:22,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:01:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:22,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:01:22,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 14:01:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 14:01:22,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:01:22,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 14:01:22,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 14:01:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 14:01:22,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:01:22,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 14:01:22,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 14:01:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 14:01:22,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 14:01:22,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 14:01:22,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 14:01:22,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:22,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 14:01:22,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:01:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:01:22,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:22,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:22,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:01:22,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 14:01:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 14:01:22,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 14:01:22,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:22,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:01:22,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:22,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 14:01:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:22,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:22,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:22,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:22,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:22,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:22,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:22,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:22,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:22,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:22,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 14:01:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:22,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:22,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 14:01:23,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:01:23,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-14 14:01:23,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 14:01:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-14 14:01:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 14:01:23,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:23,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 14:01:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:01:23,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:23,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:23,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:23,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 14:01:23,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:23,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:23,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 14:01:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 14:01:23,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:01:23,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-14 14:01:23,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 14:01:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 14:01:23,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 14:01:23,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:23,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-14 14:01:23,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 14:01:23,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 14:01:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 14:01:23,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 14:01:23,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:23,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:23,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 14:01:23,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 14:01:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:23,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 14:01:23,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:23,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 14:01:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 14:01:23,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 14:01:23,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 14:01:23,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:23,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 14:01:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:23,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:01:23,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 14:01:23,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:23,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 14:01:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:01:23,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 14:01:23,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 14:01:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:23,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:23,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:01:23,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:23,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:23,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 14:01:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:01:23,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 14:01:23,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 14:01:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:23,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:23,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:23,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:23,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-14 14:01:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 14:01:23,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:23,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 14:01:23,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:23,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:01:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 14:01:23,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:01:23,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:23,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:23,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:23,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 14:01:23,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:23,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-14 14:01:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:23,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:23,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:23,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:23,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:23,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:01:23,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:23,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 14:01:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:23,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-14 14:01:23,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679631359] [2020-10-14 14:01:23,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 14:01:23,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-14 14:01:23,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039640716] [2020-10-14 14:01:23,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-14 14:01:23,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 14:01:23,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-14 14:01:23,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-14 14:01:23,933 INFO L87 Difference]: Start difference. First operand 2767 states and 3505 transitions. Second operand 16 states. [2020-10-14 14:01:26,585 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2020-10-14 14:01:31,545 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-14 14:01:32,093 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2020-10-14 14:01:36,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 14:01:36,219 INFO L93 Difference]: Finished difference Result 6149 states and 8007 transitions. [2020-10-14 14:01:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 14:01:36,220 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 207 [2020-10-14 14:01:36,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 14:01:36,234 INFO L225 Difference]: With dead ends: 6149 [2020-10-14 14:01:36,234 INFO L226 Difference]: Without dead ends: 3408 [2020-10-14 14:01:36,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=235, Invalid=635, Unknown=0, NotChecked=0, Total=870 [2020-10-14 14:01:36,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3408 states. [2020-10-14 14:01:36,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3408 to 2799. [2020-10-14 14:01:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2799 states. [2020-10-14 14:01:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2799 states and 3545 transitions. [2020-10-14 14:01:36,616 INFO L78 Accepts]: Start accepts. Automaton has 2799 states and 3545 transitions. Word has length 207 [2020-10-14 14:01:36,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 14:01:36,617 INFO L479 AbstractCegarLoop]: Abstraction has 2799 states and 3545 transitions. [2020-10-14 14:01:36,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-14 14:01:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3545 transitions. [2020-10-14 14:01:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-14 14:01:36,626 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 14:01:36,626 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 14:01:36,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 14:01:36,627 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 14:01:36,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 14:01:36,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1897108487, now seen corresponding path program 1 times [2020-10-14 14:01:36,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 14:01:36,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282517746] [2020-10-14 14:01:36,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 14:01:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:36,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:36,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:37,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:41,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:41,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-14 14:01:41,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 14:01:41,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5093 [2020-10-14 14:01:41,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:41,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 14:01:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-14 14:01:41,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 14:01:41,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:42,382 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 256 [2020-10-14 14:01:42,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:01:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:42,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 14:01:42,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:01:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:42,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:42,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:42,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 14:01:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:42,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:01:42,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:42,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 14:01:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 14:01:42,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:42,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:42,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:01:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:42,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:01:42,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:42,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 14:01:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 14:01:42,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:01:42,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 14:01:42,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:42,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 14:01:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 14:01:42,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 14:01:42,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 14:01:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 14:01:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 14:01:42,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 14:01:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 14:01:42,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 14:01:42,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-14 14:01:42,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 14:01:42,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 14:01:42,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:42,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:42,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:42,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:01:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:01:42,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 14:01:42,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:42,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:42,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:42,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:42,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:42,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:42,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:42,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:42,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:42,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:42,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:42,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:43,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 14:01:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:43,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:43,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:43,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 14:01:43,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:43,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 14:01:43,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:43,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 14:01:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:43,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:43,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:43,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:43,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:43,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:43,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:43,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:01:43,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:43,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:43,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:43,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:43,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:43,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 14:01:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:43,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:43,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:43,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:43,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:43,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 14:01:43,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:43,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:43,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:43,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:43,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:43,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:43,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-14 14:01:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:43,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:43,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-14 14:01:44,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:01:44,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1093 [2020-10-14 14:01:44,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-14 14:01:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:44,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 14:01:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:01:44,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:44,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:44,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:44,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:44,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:44,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 14:01:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-14 14:01:44,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 14:01:44,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:44,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-14 14:01:44,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 14:01:44,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:44,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 14:01:44,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 14:01:44,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:44,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 14:01:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:44,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:44,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:44,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 14:01:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:44,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:44,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:44,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 14:01:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 14:01:44,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:01:44,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:44,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 14:01:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:44,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:44,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:44,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-14 14:01:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:01:44,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:44,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:44,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:44,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:44,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 14:01:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:01:44,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:01:44,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:44,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:01:44,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:44,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:01:44,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-14 14:01:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 14:01:44,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 14:01:44,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 14:01:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:44,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:01:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 14:01:44,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:44,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:44,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:01:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:44,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 14:01:44,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:01:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:44,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 14:01:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:01:44,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:01:44,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:01:44,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:01:44,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:01:44,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 14:01:44,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:01:44,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:01:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:01:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 14:01:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:01:44,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 14:01:44,806 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2020-10-14 14:01:44,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282517746] [2020-10-14 14:01:44,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 14:01:44,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 14:01:44,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514510077] [2020-10-14 14:01:44,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 14:01:44,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 14:01:44,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 14:01:44,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-10-14 14:01:44,809 INFO L87 Difference]: Start difference. First operand 2799 states and 3545 transitions. Second operand 17 states. [2020-10-14 14:01:57,880 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2020-10-14 14:02:06,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 14:02:06,793 INFO L93 Difference]: Finished difference Result 6192 states and 7982 transitions. [2020-10-14 14:02:06,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 14:02:06,795 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 218 [2020-10-14 14:02:06,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 14:02:06,810 INFO L225 Difference]: With dead ends: 6192 [2020-10-14 14:02:06,811 INFO L226 Difference]: Without dead ends: 3409 [2020-10-14 14:02:06,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=221, Invalid=649, Unknown=0, NotChecked=0, Total=870 [2020-10-14 14:02:06,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2020-10-14 14:02:07,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 2800. [2020-10-14 14:02:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2800 states. [2020-10-14 14:02:07,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2800 states to 2800 states and 3546 transitions. [2020-10-14 14:02:07,196 INFO L78 Accepts]: Start accepts. Automaton has 2800 states and 3546 transitions. Word has length 218 [2020-10-14 14:02:07,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 14:02:07,197 INFO L479 AbstractCegarLoop]: Abstraction has 2800 states and 3546 transitions. [2020-10-14 14:02:07,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 14:02:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 3546 transitions. [2020-10-14 14:02:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-14 14:02:07,206 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 14:02:07,206 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 14:02:07,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 14:02:07,207 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 14:02:07,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 14:02:07,207 INFO L82 PathProgramCache]: Analyzing trace with hash 31972947, now seen corresponding path program 2 times [2020-10-14 14:02:07,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 14:02:07,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535999452] [2020-10-14 14:02:07,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 14:02:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:02:07,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:02:07,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:02:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking...