/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-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 05:09:32,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 05:09:32,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 05:09:32,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 05:09:32,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 05:09:32,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 05:09:32,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 05:09:32,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 05:09:32,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 05:09:32,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 05:09:32,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 05:09:32,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 05:09:32,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 05:09:32,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 05:09:32,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 05:09:32,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 05:09:32,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 05:09:32,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 05:09:32,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 05:09:32,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 05:09:32,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 05:09:32,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 05:09:32,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 05:09:32,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 05:09:32,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 05:09:32,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 05:09:32,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 05:09:32,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 05:09:32,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 05:09:32,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 05:09:32,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 05:09:32,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 05:09:32,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 05:09:32,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 05:09:32,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 05:09:32,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 05:09:32,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 05:09:32,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 05:09:32,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 05:09:32,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 05:09:32,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 05:09:32,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 05:09:32,267 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 05:09:32,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 05:09:32,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 05:09:32,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 05:09:32,269 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 05:09:32,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 05:09:32,269 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 05:09:32,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 05:09:32,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 05:09:32,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 05:09:32,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 05:09:32,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 05:09:32,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 05:09:32,272 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 05:09:32,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 05:09:32,272 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 05:09:32,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 05:09:32,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 05:09:32,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 05:09:32,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 05:09:32,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 05:09:32,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 05:09:32,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 05:09:32,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 05:09:32,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 05:09:32,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 05:09:32,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 05:09:32,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 05:09:32,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 05:09:32,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 05:09:32,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 05:09:32,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 05:09:32,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 05:09:32,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 05:09:32,631 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 05:09:32,632 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2020-10-14 05:09:32,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4cc4bce87/bad02155b0154448829644b4f4c68315/FLAG9a1a96f63 [2020-10-14 05:09:33,266 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 05:09:33,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2c_update_all_reverse.i [2020-10-14 05:09:33,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4cc4bce87/bad02155b0154448829644b4f4c68315/FLAG9a1a96f63 [2020-10-14 05:09:33,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4cc4bce87/bad02155b0154448829644b4f4c68315 [2020-10-14 05:09:33,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 05:09:33,580 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 05:09:33,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 05:09:33,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 05:09:33,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 05:09:33,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:09:33" (1/1) ... [2020-10-14 05:09:33,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f61c153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:33, skipping insertion in model container [2020-10-14 05:09:33,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:09:33" (1/1) ... [2020-10-14 05:09:33,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 05:09:33,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 05:09:34,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:09:34,055 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 05:09:34,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 05:09:34,155 INFO L208 MainTranslator]: Completed translation [2020-10-14 05:09:34,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:34 WrapperNode [2020-10-14 05:09:34,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 05:09:34,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 05:09:34,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 05:09:34,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 05:09:34,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:34" (1/1) ... [2020-10-14 05:09:34,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:34" (1/1) ... [2020-10-14 05:09:34,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:34" (1/1) ... [2020-10-14 05:09:34,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:34" (1/1) ... [2020-10-14 05:09:34,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:34" (1/1) ... [2020-10-14 05:09:34,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:34" (1/1) ... [2020-10-14 05:09:34,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:34" (1/1) ... [2020-10-14 05:09:34,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 05:09:34,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 05:09:34,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 05:09:34,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 05:09:34,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:34" (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 05:09:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 05:09:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 05:09:34,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-14 05:09:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-14 05:09:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-14 05:09:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-14 05:09:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2020-10-14 05:09:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2020-10-14 05:09:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2020-10-14 05:09:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2020-10-14 05:09:34,301 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 05:09:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 05:09:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-14 05:09:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-14 05:09:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-14 05:09:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-14 05:09:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-14 05:09:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-14 05:09:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-14 05:09:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-14 05:09:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-14 05:09:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-14 05:09:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-14 05:09:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-14 05:09:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-14 05:09:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-14 05:09:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-14 05:09:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-14 05:09:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-14 05:09:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-14 05:09:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-14 05:09:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-14 05:09:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-14 05:09:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-14 05:09:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-14 05:09:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-14 05:09:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-14 05:09:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-14 05:09:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-14 05:09:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-14 05:09:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-14 05:09:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-14 05:09:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-14 05:09:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-14 05:09:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-14 05:09:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-14 05:09:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-14 05:09:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-14 05:09:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-14 05:09:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-14 05:09:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-14 05:09:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-14 05:09:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-14 05:09:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-14 05:09:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-14 05:09:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-14 05:09:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-14 05:09:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-14 05:09:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-14 05:09:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-14 05:09:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-14 05:09:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-14 05:09:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-14 05:09:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-14 05:09:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 05:09:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 05:09:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 05:09:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 05:09:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 05:09:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-14 05:09:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 05:09:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-14 05:09:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-14 05:09:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 05:09:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-14 05:09:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-14 05:09:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-14 05:09:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 05:09:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-14 05:09:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-14 05:09:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-14 05:09:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-14 05:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-14 05:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-14 05:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-14 05:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-14 05:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-14 05:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-14 05:09:34,312 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-14 05:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-14 05:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-14 05:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-14 05:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-14 05:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-14 05:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-14 05:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-14 05:09:34,313 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-14 05:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-14 05:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-14 05:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-14 05:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-14 05:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-14 05:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-14 05:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-14 05:09:34,314 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-14 05:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-14 05:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-14 05:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-14 05:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-14 05:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-14 05:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-14 05:09:34,315 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-14 05:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-14 05:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-14 05:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-14 05:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-14 05:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-14 05:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-14 05:09:34,316 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-14 05:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 05:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 05:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 05:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2020-10-14 05:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2020-10-14 05:09:34,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 05:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 05:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2020-10-14 05:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 05:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2020-10-14 05:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 05:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 05:09:34,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 05:09:34,666 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-14 05:09:34,847 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 05:09:34,847 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-14 05:09:34,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:09:34 BoogieIcfgContainer [2020-10-14 05:09:34,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 05:09:34,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 05:09:34,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 05:09:34,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 05:09:34,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:09:33" (1/3) ... [2020-10-14 05:09:34,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483ccfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:09:34, skipping insertion in model container [2020-10-14 05:09:34,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:09:34" (2/3) ... [2020-10-14 05:09:34,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483ccfc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:09:34, skipping insertion in model container [2020-10-14 05:09:34,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:09:34" (3/3) ... [2020-10-14 05:09:34,860 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2c_update_all_reverse.i [2020-10-14 05:09:34,870 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 05:09:34,878 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 05:09:34,892 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 05:09:34,916 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 05:09:34,916 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 05:09:34,916 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 05:09:34,917 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 05:09:34,917 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 05:09:34,917 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 05:09:34,918 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 05:09:34,918 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 05:09:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2020-10-14 05:09:34,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-14 05:09:34,946 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:09:34,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:09:34,947 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:09:34,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:09:34,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1158667966, now seen corresponding path program 1 times [2020-10-14 05:09:34,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:09:34,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869535964] [2020-10-14 05:09:34,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:09:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:35,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:35,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:35,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:35,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:35,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 05:09:35,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 05:09:35,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-14 05:09:35,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:35,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:35,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 05:09:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:35,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 05:09:35,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:09:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:35,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:35,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:35,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:09:35,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:35,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:09:35,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:35,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:35,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:35,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:35,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:35,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:35,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:09:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:35,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:35,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:35,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:09:35,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:35,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-14 05:09:35,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:35,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:35,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 05:09:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:35,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:35,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:09:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:35,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:35,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:35,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:35,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:35,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 05:09:35,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:35,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:35,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:35,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:09:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:35,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:35,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:35,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:35,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:35,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:09:35,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:09:35,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:35,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:35,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:35,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:09:35,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:35,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:09:35,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869535964] [2020-10-14 05:09:35,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:09:35,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 05:09:35,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947014728] [2020-10-14 05:09:35,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 05:09:35,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:09:35,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 05:09:35,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 05:09:35,762 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 4 states. [2020-10-14 05:09:35,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:09:35,964 INFO L93 Difference]: Finished difference Result 99 states and 130 transitions. [2020-10-14 05:09:35,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 05:09:35,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-14 05:09:35,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:09:35,976 INFO L225 Difference]: With dead ends: 99 [2020-10-14 05:09:35,977 INFO L226 Difference]: Without dead ends: 43 [2020-10-14 05:09:35,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 05:09:36,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-14 05:09:36,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-14 05:09:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-14 05:09:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2020-10-14 05:09:36,030 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 32 [2020-10-14 05:09:36,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:09:36,032 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2020-10-14 05:09:36,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 05:09:36,033 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2020-10-14 05:09:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-14 05:09:36,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:09:36,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:09:36,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 05:09:36,036 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:09:36,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:09:36,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1470117915, now seen corresponding path program 1 times [2020-10-14 05:09:36,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:09:36,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144920470] [2020-10-14 05:09:36,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:09:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:36,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:36,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:36,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:36,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:37,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:37,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 05:09:37,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:09:37,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1067 [2020-10-14 05:09:37,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:37,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:37,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 05:09:37,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:09:37,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 05:09:37,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:37,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:09:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:37,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:37,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:37,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:09:37,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:37,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:09:37,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:37,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:37,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:09:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:37,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:37,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:37,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:37,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:09:37,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:09:37,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-14 05:09:37,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:37,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:37,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:09:37,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:37,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:09:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:37,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:37,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:37,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:37,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:09:37,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:37,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:37,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:37,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 05:09:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:37,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:37,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:37,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:37,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:37,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:09:37,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:37,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:37,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:37,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:09:37,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:37,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:09:37,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 05:09:37,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144920470] [2020-10-14 05:09:37,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:09:37,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 05:09:37,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612024812] [2020-10-14 05:09:37,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 05:09:37,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:09:37,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 05:09:37,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 05:09:37,346 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 6 states. [2020-10-14 05:09:37,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:09:37,546 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2020-10-14 05:09:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 05:09:37,547 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2020-10-14 05:09:37,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:09:37,549 INFO L225 Difference]: With dead ends: 66 [2020-10-14 05:09:37,549 INFO L226 Difference]: Without dead ends: 53 [2020-10-14 05:09:37,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:09:37,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-14 05:09:37,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-10-14 05:09:37,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-14 05:09:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2020-10-14 05:09:37,561 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 32 [2020-10-14 05:09:37,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:09:37,562 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2020-10-14 05:09:37,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 05:09:37,562 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2020-10-14 05:09:37,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-14 05:09:37,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:09:37,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:09:37,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 05:09:37,564 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:09:37,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:09:37,565 INFO L82 PathProgramCache]: Analyzing trace with hash 758093029, now seen corresponding path program 1 times [2020-10-14 05:09:37,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:09:37,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2127715995] [2020-10-14 05:09:37,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:09:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:37,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:37,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:37,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:37,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:39,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:40,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:40,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:40,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:42,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:42,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-14 05:09:42,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:09:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 05:09:42,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:42,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:09:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:09:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 05:09:42,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:42,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:09:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:42,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:42,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:42,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:09:42,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:42,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:09:42,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:42,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:42,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:42,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:42,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:42,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 05:09:42,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:09:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:42,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:42,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:42,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:42,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:09:42,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:09:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-14 05:09:42,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:42,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:42,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:09:42,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:42,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:09:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:42,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:42,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:42,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:42,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:09:42,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:42,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:42,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:42,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:42,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:09:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:42,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:42,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:42,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:42,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:42,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:09:42,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:42,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:09:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:09:42,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 05:09:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:42,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:42,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:42,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:42,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:42,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 05:09:42,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:42,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:09:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:09:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:09:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:42,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 05:09:42,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2127715995] [2020-10-14 05:09:42,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:09:42,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:09:42,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723755138] [2020-10-14 05:09:42,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:09:42,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:09:42,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:09:42,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:09:42,899 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 9 states. [2020-10-14 05:09:43,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:09:43,238 INFO L93 Difference]: Finished difference Result 69 states and 79 transitions. [2020-10-14 05:09:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:09:43,240 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2020-10-14 05:09:43,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:09:43,244 INFO L225 Difference]: With dead ends: 69 [2020-10-14 05:09:43,245 INFO L226 Difference]: Without dead ends: 57 [2020-10-14 05:09:43,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-14 05:09:43,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-14 05:09:43,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2020-10-14 05:09:43,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-14 05:09:43,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2020-10-14 05:09:43,270 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 40 [2020-10-14 05:09:43,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:09:43,270 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2020-10-14 05:09:43,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:09:43,271 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2020-10-14 05:09:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-14 05:09:43,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:09:43,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:09:43,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 05:09:43,273 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:09:43,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:09:43,274 INFO L82 PathProgramCache]: Analyzing trace with hash 150774505, now seen corresponding path program 1 times [2020-10-14 05:09:43,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:09:43,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221340718] [2020-10-14 05:09:43,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:09:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:43,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:43,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:43,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:43,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:44,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:44,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:44,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:45,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:46,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:46,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 05:09:46,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 05:09:46,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3389 [2020-10-14 05:09:46,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:46,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:46,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:09:46,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:09:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 05:09:46,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:46,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:09:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:46,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:46,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:46,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:09:46,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:09:46,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:46,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:46,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:46,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:46,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 05:09:46,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:09:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:46,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:46,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:46,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:46,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:09:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:09:46,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 05:09:46,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:46,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:09:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:46,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:09:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:46,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:46,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:46,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:46,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:09:46,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:46,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:46,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:46,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:46,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:46,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:09:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:46,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:46,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:46,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:46,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:46,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:09:46,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 05:09:46,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:46,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:09:46,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:46,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 05:09:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:46,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:46,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:46,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:09:46,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:46,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:09:46,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:46,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:09:46,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:46,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 05:09:47,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221340718] [2020-10-14 05:09:47,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:09:47,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 05:09:47,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010861808] [2020-10-14 05:09:47,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:09:47,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:09:47,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:09:47,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:09:47,013 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand 8 states. [2020-10-14 05:09:47,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:09:47,402 INFO L93 Difference]: Finished difference Result 78 states and 90 transitions. [2020-10-14 05:09:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 05:09:47,403 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-10-14 05:09:47,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:09:47,405 INFO L225 Difference]: With dead ends: 78 [2020-10-14 05:09:47,405 INFO L226 Difference]: Without dead ends: 59 [2020-10-14 05:09:47,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:09:47,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-14 05:09:47,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2020-10-14 05:09:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-14 05:09:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2020-10-14 05:09:47,430 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 41 [2020-10-14 05:09:47,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:09:47,431 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2020-10-14 05:09:47,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:09:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2020-10-14 05:09:47,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-14 05:09:47,436 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:09:47,436 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:09:47,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 05:09:47,437 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:09:47,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:09:47,437 INFO L82 PathProgramCache]: Analyzing trace with hash 719849823, now seen corresponding path program 2 times [2020-10-14 05:09:47,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:09:47,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [954228944] [2020-10-14 05:09:47,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:09:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:47,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:47,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:47,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:47,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:47,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:48,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:49,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:49,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 05:09:49,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:09:49,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1891 [2020-10-14 05:09:49,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:49,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:09:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:09:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 05:09:49,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:09:49,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:09:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:49,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:49,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:49,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:09:49,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:49,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:09:49,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:49,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:49,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:49,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:49,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:09:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:49,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:49,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:49,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:49,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:09:49,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:09:49,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 05:09:49,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:49,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:49,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:09:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:49,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:09:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:49,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:49,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:49,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:49,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:09:49,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:49,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:49,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:09:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:49,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:49,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:49,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:49,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:49,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 05:09:49,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:49,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:09:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:09:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:09:49,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:49,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:09:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:49,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:49,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:49,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:49,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:09:49,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:49,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:09:49,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:49,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:49,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 05:09:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:49,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:49,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:49,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:09:49,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:09:49,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:49,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:09:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 05:09:49,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [954228944] [2020-10-14 05:09:49,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:09:49,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:09:49,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493476635] [2020-10-14 05:09:49,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:09:49,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:09:49,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:09:49,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:09:49,565 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand 9 states. [2020-10-14 05:09:49,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:09:49,910 INFO L93 Difference]: Finished difference Result 91 states and 106 transitions. [2020-10-14 05:09:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:09:49,910 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2020-10-14 05:09:49,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:09:49,911 INFO L225 Difference]: With dead ends: 91 [2020-10-14 05:09:49,912 INFO L226 Difference]: Without dead ends: 62 [2020-10-14 05:09:49,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-14 05:09:49,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-14 05:09:49,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2020-10-14 05:09:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-14 05:09:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2020-10-14 05:09:49,928 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 49 [2020-10-14 05:09:49,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:09:49,929 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2020-10-14 05:09:49,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:09:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2020-10-14 05:09:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 05:09:49,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:09:49,930 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:09:49,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 05:09:49,931 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:09:49,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:09:49,931 INFO L82 PathProgramCache]: Analyzing trace with hash -397324824, now seen corresponding path program 1 times [2020-10-14 05:09:49,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:09:49,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1035642831] [2020-10-14 05:09:49,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:09:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:49,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:49,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:49,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:50,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:50,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:50,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 05:09:50,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 05:09:50,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 853 [2020-10-14 05:09:50,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:50,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:09:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:09:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 05:09:50,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:50,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:09:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:50,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:50,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:50,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:09:50,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:50,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:09:50,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:50,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:50,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:50,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:50,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:09:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:50,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:50,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:50,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 05:09:50,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:50,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 05:09:50,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:50,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:09:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:09:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 05:09:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:50,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:09:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:50,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:50,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:50,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:50,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:50,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:09:50,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:50,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:50,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:09:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:09:50,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:50,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 05:09:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:50,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:50,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:50,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:09:50,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:50,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:09:50,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:50,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:09:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:50,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 05:09:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:50,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:50,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:50,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:50,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:50,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:09:50,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:50,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:50,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:50,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:09:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:50,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:50,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 05:09:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:50,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:50,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:50,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:09:50,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:50,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:09:50,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:50,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:50,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:09:50,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:50,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 05:09:50,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1035642831] [2020-10-14 05:09:50,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:09:50,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 05:09:50,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018088901] [2020-10-14 05:09:50,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 05:09:50,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:09:50,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 05:09:50,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 05:09:50,994 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand 8 states. [2020-10-14 05:09:51,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:09:51,249 INFO L93 Difference]: Finished difference Result 99 states and 117 transitions. [2020-10-14 05:09:51,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:09:51,250 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-10-14 05:09:51,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:09:51,251 INFO L225 Difference]: With dead ends: 99 [2020-10-14 05:09:51,251 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 05:09:51,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:09:51,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 05:09:51,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 58. [2020-10-14 05:09:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-14 05:09:51,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2020-10-14 05:09:51,270 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 50 [2020-10-14 05:09:51,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:09:51,271 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2020-10-14 05:09:51,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 05:09:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2020-10-14 05:09:51,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 05:09:51,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:09:51,276 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:09:51,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 05:09:51,276 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:09:51,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:09:51,277 INFO L82 PathProgramCache]: Analyzing trace with hash 468579648, now seen corresponding path program 1 times [2020-10-14 05:09:51,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:09:51,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978014343] [2020-10-14 05:09:51,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:09:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:51,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:52,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:52,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:52,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:52,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:52,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:53,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:53,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 05:09:53,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 05:09:53,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1754 [2020-10-14 05:09:53,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:53,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-14 05:09:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:09:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-14 05:09:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:09:53,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:09:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:53,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:53,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:53,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:09:53,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:53,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:09:53,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:53,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:09:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:09:53,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:53,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:09:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:53,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:53,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:53,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:09:53,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:09:53,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-14 05:09:53,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:53,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-14 05:09:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:53,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 05:09:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:09:53,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:09:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:53,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:53,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:53,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:53,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:53,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 05:09:53,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:53,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:53,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:09:53,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:53,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:09:53,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:53,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:09:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:54,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:54,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:54,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:54,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:54,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 05:09:54,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:54,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:54,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:09:54,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:09:54,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:09:54,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:09:54,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:09:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:54,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:54,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:54,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:09:54,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:54,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 05:09:54,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:54,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:54,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 05:09:54,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:09:54,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 05:09:54,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:54,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 05:09:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:54,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:54,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:54,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:09:54,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:54,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 05:09:54,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:54,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 05:09:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 05:09:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 05:09:54,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:54,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:09:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:54,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:54,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:09:54,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:09:54,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:09:54,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 05:09:54,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:09:54,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:09:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 05:09:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:09:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:09:54,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:09:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 05:09:54,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978014343] [2020-10-14 05:09:54,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:09:54,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-14 05:09:54,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532802300] [2020-10-14 05:09:54,891 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-14 05:09:54,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:09:54,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-14 05:09:54,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1042, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 05:09:54,892 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 34 states. [2020-10-14 05:09:57,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:09:57,405 INFO L93 Difference]: Finished difference Result 103 states and 133 transitions. [2020-10-14 05:09:57,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-14 05:09:57,405 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 58 [2020-10-14 05:09:57,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:09:57,407 INFO L225 Difference]: With dead ends: 103 [2020-10-14 05:09:57,408 INFO L226 Difference]: Without dead ends: 101 [2020-10-14 05:09:57,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=252, Invalid=2940, Unknown=0, NotChecked=0, Total=3192 [2020-10-14 05:09:57,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-14 05:09:57,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 90. [2020-10-14 05:09:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-14 05:09:57,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 117 transitions. [2020-10-14 05:09:57,426 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 117 transitions. Word has length 58 [2020-10-14 05:09:57,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:09:57,427 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 117 transitions. [2020-10-14 05:09:57,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-14 05:09:57,427 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 117 transitions. [2020-10-14 05:09:57,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 05:09:57,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:09:57,428 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:09:57,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 05:09:57,429 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:09:57,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:09:57,429 INFO L82 PathProgramCache]: Analyzing trace with hash -234205714, now seen corresponding path program 2 times [2020-10-14 05:09:57,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:09:57,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71334811] [2020-10-14 05:09:57,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:09:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:09:57,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:57,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:57,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:57,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:09:59,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:02,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:02,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 05:10:02,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:10:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 05:10:02,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:02,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:10:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:02,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 05:10:02,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 05:10:02,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:02,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:02,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:02,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:02,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:02,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:02,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:02,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:02,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:02,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:02,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:02,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:02,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:02,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:02,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:02,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:02,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 05:10:02,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:02,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:02,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:02,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:02,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 05:10:02,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:02,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:02,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:02,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:02,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:02,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:02,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:02,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:02,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:02,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:02,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:02,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:02,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:02,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:02,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:02,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:02,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:02,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:02,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:02,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:02,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:02,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:02,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:02,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:02,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:02,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:02,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:02,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:02,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:02,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:02,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:02,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:02,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:02,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 05:10:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:02,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:02,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:02,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:02,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:02,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:02,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:02,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:02,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:02,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:02,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:02,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:10:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:02,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:02,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:02,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 05:10:02,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:02,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 05:10:02,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:02,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:02,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:10:02,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-14 05:10:02,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71334811] [2020-10-14 05:10:02,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:02,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:10:02,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348050859] [2020-10-14 05:10:02,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:10:02,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:02,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:10:02,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:10:02,693 INFO L87 Difference]: Start difference. First operand 90 states and 117 transitions. Second operand 10 states. [2020-10-14 05:10:02,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:02,977 INFO L93 Difference]: Finished difference Result 117 states and 151 transitions. [2020-10-14 05:10:02,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:10:02,978 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-14 05:10:02,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:02,981 INFO L225 Difference]: With dead ends: 117 [2020-10-14 05:10:02,981 INFO L226 Difference]: Without dead ends: 86 [2020-10-14 05:10:02,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-14 05:10:02,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-14 05:10:03,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-10-14 05:10:03,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-14 05:10:03,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2020-10-14 05:10:03,007 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 108 transitions. Word has length 59 [2020-10-14 05:10:03,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:03,008 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 108 transitions. [2020-10-14 05:10:03,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:10:03,008 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 108 transitions. [2020-10-14 05:10:03,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 05:10:03,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:03,009 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:10:03,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 05:10:03,010 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:03,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:03,010 INFO L82 PathProgramCache]: Analyzing trace with hash -80971525, now seen corresponding path program 3 times [2020-10-14 05:10:03,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:03,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [802207631] [2020-10-14 05:10:03,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:03,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:03,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:03,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:03,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:04,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:05,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:05,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:05,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:05,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 05:10:08,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 05:10:08,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 05:10:08,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:10:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:08,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-14 05:10:08,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:08,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:08,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:08,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:08,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:08,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:08,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:08,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:08,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:08,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:08,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 05:10:08,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:08,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 05:10:08,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:08,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:08,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:08,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:08,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:08,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:08,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:08,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:08,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:08,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:08,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:08,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:08,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:08,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:08,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:08,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 05:10:08,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:08,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:08,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:08,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 05:10:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:08,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:08,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:10:08,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 05:10:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:08,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 05:10:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:08,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:08,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:08,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:08,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:08,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:10:08,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:08,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-14 05:10:08,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [802207631] [2020-10-14 05:10:08,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:08,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:10:08,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88183474] [2020-10-14 05:10:08,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:10:08,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:08,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:10:08,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:10:08,249 INFO L87 Difference]: Start difference. First operand 86 states and 108 transitions. Second operand 10 states. [2020-10-14 05:10:08,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:08,582 INFO L93 Difference]: Finished difference Result 129 states and 157 transitions. [2020-10-14 05:10:08,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 05:10:08,583 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-14 05:10:08,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:08,584 INFO L225 Difference]: With dead ends: 129 [2020-10-14 05:10:08,585 INFO L226 Difference]: Without dead ends: 94 [2020-10-14 05:10:08,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-10-14 05:10:08,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-14 05:10:08,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 86. [2020-10-14 05:10:08,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-14 05:10:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 104 transitions. [2020-10-14 05:10:08,597 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 104 transitions. Word has length 59 [2020-10-14 05:10:08,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:08,598 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 104 transitions. [2020-10-14 05:10:08,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:10:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 104 transitions. [2020-10-14 05:10:08,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-14 05:10:08,599 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:08,599 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:10:08,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 05:10:08,599 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:08,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:08,600 INFO L82 PathProgramCache]: Analyzing trace with hash 403234343, now seen corresponding path program 4 times [2020-10-14 05:10:08,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:08,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939980619] [2020-10-14 05:10:08,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:08,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:08,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:09,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:11,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:11,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 05:10:11,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 05:10:11,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2881 [2020-10-14 05:10:11,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:11,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:10:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:10:11,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:11,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:11,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:11,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:11,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:11,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:11,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:11,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:11,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:11,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:11,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:11,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:11,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:11,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:11,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:11,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:11,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:11,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 05:10:11,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:11,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 05:10:11,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:11,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:11,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:11,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:11,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:11,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:11,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:11,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:11,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:11,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:11,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:11,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:11,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:11,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:11,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:11,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:11,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:11,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:11,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:11,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:11,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:11,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:11,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:11,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 05:10:11,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:11,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 05:10:11,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:11,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:11,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 05:10:11,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:11,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 05:10:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:11,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:11,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:11,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:11,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:11,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:11,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:11,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:11,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:11,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:11,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:11,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-14 05:10:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:11,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:11,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:11,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:11,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:11,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:11,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:11,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:10:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:11,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-14 05:10:11,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939980619] [2020-10-14 05:10:11,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:11,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 05:10:11,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574125019] [2020-10-14 05:10:11,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 05:10:11,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:11,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 05:10:11,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 05:10:11,692 INFO L87 Difference]: Start difference. First operand 86 states and 104 transitions. Second operand 10 states. [2020-10-14 05:10:12,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:12,031 INFO L93 Difference]: Finished difference Result 123 states and 145 transitions. [2020-10-14 05:10:12,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 05:10:12,033 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-10-14 05:10:12,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:12,034 INFO L225 Difference]: With dead ends: 123 [2020-10-14 05:10:12,034 INFO L226 Difference]: Without dead ends: 82 [2020-10-14 05:10:12,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-10-14 05:10:12,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-14 05:10:12,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-10-14 05:10:12,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-14 05:10:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 97 transitions. [2020-10-14 05:10:12,044 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 97 transitions. Word has length 59 [2020-10-14 05:10:12,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:12,045 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 97 transitions. [2020-10-14 05:10:12,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 05:10:12,045 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2020-10-14 05:10:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-14 05:10:12,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:12,046 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:10:12,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 05:10:12,047 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:12,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:12,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1887845224, now seen corresponding path program 5 times [2020-10-14 05:10:12,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:12,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [627019764] [2020-10-14 05:10:12,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:12,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:12,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:13,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:13,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:13,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:14,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:14,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-14 05:10:17,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 05:10:17,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 05:10:17,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:17,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:17,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 05:10:17,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:17,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:17,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:17,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:17,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:17,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:17,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:17,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-14 05:10:17,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 05:10:17,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 05:10:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 05:10:17,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:17,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:17,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:17,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:17,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:17,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:17,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:17,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:17,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:17,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:17,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:17,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-14 05:10:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:17,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:17,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:17,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:17,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 05:10:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:17,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:17,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:17,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:10:17,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:17,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:17,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 05:10:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:17,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 05:10:17,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:17,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:17,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-14 05:10:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:17,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:17,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:17,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:17,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:17,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:17,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:17,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 05:10:17,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:17,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 05:10:17,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [627019764] [2020-10-14 05:10:17,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:17,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 05:10:17,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490740878] [2020-10-14 05:10:17,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:10:17,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:17,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:10:17,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:10:17,256 INFO L87 Difference]: Start difference. First operand 82 states and 97 transitions. Second operand 9 states. [2020-10-14 05:10:17,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:17,485 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2020-10-14 05:10:17,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 05:10:17,487 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 66 [2020-10-14 05:10:17,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:17,488 INFO L225 Difference]: With dead ends: 102 [2020-10-14 05:10:17,488 INFO L226 Difference]: Without dead ends: 60 [2020-10-14 05:10:17,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-14 05:10:17,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-14 05:10:17,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-14 05:10:17,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-14 05:10:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2020-10-14 05:10:17,500 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 66 [2020-10-14 05:10:17,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:17,503 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2020-10-14 05:10:17,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:10:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2020-10-14 05:10:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-14 05:10:17,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:17,504 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:10:17,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 05:10:17,504 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:17,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:17,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1935800245, now seen corresponding path program 1 times [2020-10-14 05:10:17,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:17,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213597940] [2020-10-14 05:10:17,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:17,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:17,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:18,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:18,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:18,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:18,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:18,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:18,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:18,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:18,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:19,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:22,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 05:10:22,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 05:10:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 05:10:22,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:22,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 05:10:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:22,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 05:10:22,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:22,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:22,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:22,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:22,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:22,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:22,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:22,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:22,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:22,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:22,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:22,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:22,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:22,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:22,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:22,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 05:10:22,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:22,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:22,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 05:10:22,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:22,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:22,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:22,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:22,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:22,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:22,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:22,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:22,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:22,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:22,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:22,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:22,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:22,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:22,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:22,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:22,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:22,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:22,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:22,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:22,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:22,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:22,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:22,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:22,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:22,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:22,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:10:22,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:22,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:22,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:22,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:22,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 05:10:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:22,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:22,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:22,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:22,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 05:10:22,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:22,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:22,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:10:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:22,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:22,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:10:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:22,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:22,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:22,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:22,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:22,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:22,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:22,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:22,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:22,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:22,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 05:10:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:22,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:22,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:22,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:22,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:10:22,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:22,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 05:10:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:22,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:22,942 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 05:10:22,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213597940] [2020-10-14 05:10:22,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 05:10:22,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-14 05:10:22,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115607803] [2020-10-14 05:10:22,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-14 05:10:22,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:22,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-14 05:10:22,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-10-14 05:10:22,945 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 17 states. [2020-10-14 05:10:23,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:23,847 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2020-10-14 05:10:23,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 05:10:23,847 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 68 [2020-10-14 05:10:23,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:23,848 INFO L225 Difference]: With dead ends: 74 [2020-10-14 05:10:23,848 INFO L226 Difference]: Without dead ends: 72 [2020-10-14 05:10:23,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=911, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 05:10:23,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-14 05:10:23,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2020-10-14 05:10:23,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-14 05:10:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions. [2020-10-14 05:10:23,865 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 68 [2020-10-14 05:10:23,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:23,867 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 72 transitions. [2020-10-14 05:10:23,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-14 05:10:23,867 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2020-10-14 05:10:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 05:10:23,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 05:10:23,871 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 05:10:23,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 05:10:23,871 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 05:10:23,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 05:10:23,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1080428950, now seen corresponding path program 2 times [2020-10-14 05:10:23,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 05:10:23,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797378555] [2020-10-14 05:10:23,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 05:10:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:23,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:23,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:24,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:24,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:24,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:24,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:24,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:25,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:26,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:26,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:27,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:27,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:27,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:27,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:28,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 05:10:28,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-14 05:10:28,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 05:10:28,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:28,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:28,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 05:10:28,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 05:10:28,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 05:10:28,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:28,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 05:10:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:28,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:28,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 05:10:28,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:28,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:28,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:28,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:28,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:28,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 05:10:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:28,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:28,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 05:10:29,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:29,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 05:10:29,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 05:10:29,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 05:10:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:29,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:29,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:29,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:29,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 05:10:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:29,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:29,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:29,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:29,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 05:10:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:29,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:29,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 05:10:29,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:29,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:29,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 05:10:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:29,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:29,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 05:10:29,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 05:10:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 05:10:29,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 05:10:29,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 05:10:29,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 05:10:29,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-14 05:10:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:29,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 05:10:29,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 05:10:29,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 05:10:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 05:10:29,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 05:10:29,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 05:10:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 05:10:29,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 05:10:29,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 05:10:29,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 05:10:29,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 05:10:29,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 05:10:29,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 05:10:29,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 05:10:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 05:10:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 05:10:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 05:10:29,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 05:10:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-14 05:10:29,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797378555] [2020-10-14 05:10:29,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 05:10:29,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 05:10:29,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015602194] [2020-10-14 05:10:29,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 05:10:29,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 05:10:29,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 05:10:29,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 05:10:29,115 INFO L87 Difference]: Start difference. First operand 65 states and 72 transitions. Second operand 9 states. [2020-10-14 05:10:29,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 05:10:29,325 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions. [2020-10-14 05:10:29,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 05:10:29,326 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 78 [2020-10-14 05:10:29,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 05:10:29,326 INFO L225 Difference]: With dead ends: 98 [2020-10-14 05:10:29,326 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 05:10:29,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-14 05:10:29,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 05:10:29,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 05:10:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 05:10:29,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 05:10:29,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2020-10-14 05:10:29,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 05:10:29,329 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 05:10:29,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 05:10:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 05:10:29,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 05:10:29,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 05:10:29,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 05:10:29,833 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-10-14 05:10:30,300 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 05:10:30,300 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:30,300 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 05:10:30,301 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-10-14 05:10:30,301 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-10-14 05:10:30,301 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-10-14 05:10:30,301 INFO L268 CegarLoopResult]: For program point sll_circular_get_data_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-10-14 05:10:30,301 INFO L271 CegarLoopResult]: At program point sll_circular_get_data_atENTRY(lines 595 601) the Hoare annotation is: true [2020-10-14 05:10:30,301 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse0 (<= (+ sll_circular_get_data_at_~index 1) |sll_circular_get_data_at_#in~index|))) (or (and (= |sll_circular_get_data_at_#in~index| 1) (= (select (select |#memory_$Pointer$.offset| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.base) .cse0) (and (<= 2 |sll_circular_get_data_at_#in~index|) .cse0) (and (= sll_circular_get_data_at_~head.offset |sll_circular_get_data_at_#in~head.offset|) (= sll_circular_get_data_at_~index |sll_circular_get_data_at_#in~index|) (= |sll_circular_get_data_at_#in~head.base| sll_circular_get_data_at_~head.base)))) [2020-10-14 05:10:30,301 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-10-14 05:10:30,302 INFO L268 CegarLoopResult]: For program point sll_circular_get_data_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-10-14 05:10:30,302 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-10-14 05:10:30,302 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-10-14 05:10:30,302 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-10-14 05:10:30,302 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-10-14 05:10:30,302 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-10-14 05:10:30,302 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-10-14 05:10:30,302 INFO L264 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (or (and (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base) (= sll_circular_create_~head~0.offset 0) (= sll_circular_create_~last~0.offset 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (not (= (select |#valid| sll_circular_create_~last~0.base) 0))) (not (= |sll_circular_create_#in~len| 2))) [2020-10-14 05:10:30,303 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-10-14 05:10:30,303 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_circular_create_~len |sll_circular_create_#in~len|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (<= |sll_circular_create_#in~len| sll_circular_create_~len) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:30,303 INFO L264 CegarLoopResult]: At program point L575-2(lines 575 580) the Hoare annotation is: (or (and (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base) (= sll_circular_create_~head~0.offset 0) (= sll_circular_create_~last~0.offset 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (not (= (select |#valid| sll_circular_create_~last~0.base) 0))) (not (= |sll_circular_create_#in~len| 2)) (and (not (= sll_circular_create_~head~0.base (select (select (store |#memory_$Pointer$.base| sll_circular_create_~last~0.base (store (select |#memory_$Pointer$.base| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset sll_circular_create_~head~0.base)) sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset))) (<= |sll_circular_create_#in~len| (+ sll_circular_create_~len 1)) (<= sll_circular_create_~len 1) (= sll_circular_create_~head~0.offset (select (select (store |#memory_$Pointer$.offset| sll_circular_create_~last~0.base (store (select |#memory_$Pointer$.offset| sll_circular_create_~last~0.base) sll_circular_create_~last~0.offset sll_circular_create_~head~0.offset)) sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset)))) [2020-10-14 05:10:30,303 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-10-14 05:10:30,303 INFO L268 CegarLoopResult]: For program point L575-3(lines 575 580) no Hoare annotation was computed. [2020-10-14 05:10:30,303 INFO L264 CegarLoopResult]: At program point sll_circular_createENTRY(lines 572 583) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:30,303 INFO L268 CegarLoopResult]: For program point sll_circular_createFINAL(lines 572 583) no Hoare annotation was computed. [2020-10-14 05:10:30,304 INFO L268 CegarLoopResult]: For program point sll_circular_createEXIT(lines 572 583) no Hoare annotation was computed. [2020-10-14 05:10:30,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 05:10:30,304 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-14 05:10:30,304 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 05:10:30,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 05:10:30,304 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 609 628) no Hoare annotation was computed. [2020-10-14 05:10:30,304 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-10-14 05:10:30,304 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 609 628) no Hoare annotation was computed. [2020-10-14 05:10:30,305 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse2 (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (.cse6 (+ main_~s~0.offset 4)) (.cse3 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (= main_~s~0.offset .cse3)) (.cse1 (= (+ main_~len~0 1) (select .cse2 .cse6))) (.cse4 (+ main_~i~0 main_~len~0)) (.cse5 (select (select |#memory_int| main_~s~0.base) .cse6))) (or (and .cse0 (<= main_~len~0 2) (<= 2 main_~len~0) .cse1 (= main_~expected~0 (select .cse2 (+ .cse3 4))) (= main_~i~0 1) (= .cse4 (+ .cse5 1))) (and (= main_~len~0 2) .cse0 (= (+ .cse5 2) (* main_~len~0 2)) .cse1 (= main_~expected~0 .cse5) (= .cse4 .cse5))))) [2020-10-14 05:10:30,305 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-10-14 05:10:30,305 INFO L268 CegarLoopResult]: For program point L620-2(lines 620 622) no Hoare annotation was computed. [2020-10-14 05:10:30,305 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (= main_~s~0.offset (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse2 (<= 2 main_~len~0)) (.cse1 (<= main_~len~0 2)) (.cse3 (= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse4 (not (= .cse5 main_~s~0.base)))) (or (and .cse0 .cse1 .cse2 .cse3 (= main_~i~0 1) .cse4) (and .cse0 .cse2 .cse1 (= (+ main_~len~0 1) (select (select |#memory_int| .cse5) (+ main_~s~0.offset 4))) .cse3 (<= main_~len~0 (+ main_~i~0 2)) .cse4 (<= main_~i~0 1))))) [2020-10-14 05:10:30,305 INFO L268 CegarLoopResult]: For program point L618-2(lines 618 623) no Hoare annotation was computed. [2020-10-14 05:10:30,305 INFO L268 CegarLoopResult]: For program point L616-1(lines 614 617) no Hoare annotation was computed. [2020-10-14 05:10:30,306 INFO L264 CegarLoopResult]: At program point L618-3(lines 618 623) the Hoare annotation is: (let ((.cse0 (+ main_~s~0.offset 4))) (and (= main_~s~0.offset (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (= (+ (select (select |#memory_int| main_~s~0.base) .cse0) 2) (* main_~len~0 2)) (<= main_~len~0 2) (<= 2 main_~len~0) (= (+ main_~len~0 1) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) .cse0)) (<= main_~i~0 1))) [2020-10-14 05:10:30,306 INFO L271 CegarLoopResult]: At program point L618-4(lines 618 623) the Hoare annotation is: true [2020-10-14 05:10:30,306 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:30,306 INFO L264 CegarLoopResult]: At program point L614-2(lines 614 617) the Hoare annotation is: (let ((.cse6 (+ main_~s~0.offset 4)) (.cse7 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse4 (not (= .cse7 main_~s~0.base))) (.cse0 (= main_~s~0.offset (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (= (+ main_~len~0 1) (select (select |#memory_int| .cse7) .cse6))) (.cse5 (<= main_~i~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 0 main_~i~0) .cse4 .cse5) (and .cse0 .cse1 .cse2 (= main_~i~0 1) .cse4) (and .cse0 (= (+ (select (select |#memory_int| main_~s~0.base) .cse6) 2) (* main_~len~0 2)) .cse1 .cse2 .cse3 .cse5)))) [2020-10-14 05:10:30,306 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-10-14 05:10:30,306 INFO L268 CegarLoopResult]: For program point L614-3(lines 614 617) no Hoare annotation was computed. [2020-10-14 05:10:30,307 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 626) no Hoare annotation was computed. [2020-10-14 05:10:30,307 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 609 628) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:30,307 INFO L264 CegarLoopResult]: At program point L621(lines 609 628) the Hoare annotation is: false [2020-10-14 05:10:30,307 INFO L264 CegarLoopResult]: At program point sll_circular_destroyENTRY(lines 584 594) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-14 05:10:30,307 INFO L268 CegarLoopResult]: For program point sll_circular_destroyEXIT(lines 584 594) no Hoare annotation was computed. [2020-10-14 05:10:30,307 INFO L268 CegarLoopResult]: For program point L585(lines 585 593) no Hoare annotation was computed. [2020-10-14 05:10:30,307 INFO L271 CegarLoopResult]: At program point L587-2(lines 587 591) the Hoare annotation is: true [2020-10-14 05:10:30,307 INFO L268 CegarLoopResult]: For program point L587-3(lines 587 591) no Hoare annotation was computed. [2020-10-14 05:10:30,307 INFO L268 CegarLoopResult]: For program point L585-2(lines 584 594) no Hoare annotation was computed. [2020-10-14 05:10:30,308 INFO L268 CegarLoopResult]: For program point sll_circular_update_atEXIT(lines 602 608) no Hoare annotation was computed. [2020-10-14 05:10:30,308 INFO L264 CegarLoopResult]: At program point sll_circular_update_atENTRY(lines 602 608) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-14 05:10:30,308 INFO L268 CegarLoopResult]: For program point sll_circular_update_atFINAL(lines 602 608) no Hoare annotation was computed. [2020-10-14 05:10:30,308 INFO L264 CegarLoopResult]: At program point L603-2(lines 603 606) the Hoare annotation is: (let ((.cse2 (<= (+ sll_circular_update_at_~index 1) |sll_circular_update_at_#in~index|)) (.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse4 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse5 (= |sll_circular_update_at_#in~data| sll_circular_update_at_~data))) (or (and .cse0 .cse1 .cse2 (<= 1 |sll_circular_update_at_#in~index|) (let ((.cse3 (select (select |#memory_$Pointer$.base| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|))) (or (and (= .cse3 |sll_circular_update_at_#in~head.base|) .cse4) (and (= sll_circular_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|)) (= .cse3 sll_circular_update_at_~head.base) .cse4 .cse5)))) (and .cse0 .cse1 (<= 2 |sll_circular_update_at_#in~index|) .cse2 .cse4) (and .cse0 (<= (+ |sll_circular_update_at_#in~index| sll_circular_update_at_~data) (+ sll_circular_update_at_~index |sll_circular_update_at_#in~data|)) .cse1 (= |sll_circular_update_at_#in~head.base| sll_circular_update_at_~head.base) (= sll_circular_update_at_~head.offset |sll_circular_update_at_#in~head.offset|) (<= sll_circular_update_at_~index |sll_circular_update_at_#in~index|) .cse4 .cse5))) [2020-10-14 05:10:30,308 INFO L268 CegarLoopResult]: For program point L603-3(lines 603 606) no Hoare annotation was computed. [2020-10-14 05:10:30,308 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 05:10:30,308 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-10-14 05:10:30,309 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-10-14 05:10:30,309 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-10-14 05:10:30,309 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-10-14 05:10:30,309 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-10-14 05:10:30,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,339 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,346 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,348 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,348 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,355 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,356 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,365 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,366 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,367 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:10:30 BoogieIcfgContainer [2020-10-14 05:10:30,369 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 05:10:30,371 INFO L168 Benchmark]: Toolchain (without parser) took 56791.52 ms. Allocated memory was 147.3 MB in the beginning and 948.4 MB in the end (delta: 801.1 MB). Free memory was 101.8 MB in the beginning and 159.4 MB in the end (delta: -57.6 MB). Peak memory consumption was 743.5 MB. Max. memory is 7.1 GB. [2020-10-14 05:10:30,372 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 05:10:30,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.43 ms. Allocated memory was 147.3 MB in the beginning and 202.9 MB in the end (delta: 55.6 MB). Free memory was 101.4 MB in the beginning and 165.9 MB in the end (delta: -64.5 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2020-10-14 05:10:30,373 INFO L168 Benchmark]: Boogie Preprocessor took 64.08 ms. Allocated memory is still 202.9 MB. Free memory was 165.9 MB in the beginning and 163.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2020-10-14 05:10:30,379 INFO L168 Benchmark]: RCFGBuilder took 630.60 ms. Allocated memory is still 202.9 MB. Free memory was 162.1 MB in the beginning and 113.7 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2020-10-14 05:10:30,383 INFO L168 Benchmark]: TraceAbstraction took 55516.42 ms. Allocated memory was 202.9 MB in the beginning and 948.4 MB in the end (delta: 745.5 MB). Free memory was 112.8 MB in the beginning and 159.4 MB in the end (delta: -46.6 MB). Peak memory consumption was 698.9 MB. Max. memory is 7.1 GB. [2020-10-14 05:10:30,388 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 575.43 ms. Allocated memory was 147.3 MB in the beginning and 202.9 MB in the end (delta: 55.6 MB). Free memory was 101.4 MB in the beginning and 165.9 MB in the end (delta: -64.5 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.08 ms. Allocated memory is still 202.9 MB. Free memory was 165.9 MB in the beginning and 163.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 630.60 ms. Allocated memory is still 202.9 MB. Free memory was 162.1 MB in the beginning and 113.7 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55516.42 ms. Allocated memory was 202.9 MB in the beginning and 948.4 MB in the end (delta: 745.5 MB). Free memory was 112.8 MB in the beginning and 159.4 MB in the end (delta: -46.6 MB). Peak memory consumption was 698.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 626]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 575]: Loop Invariant [2020-10-14 05:10:30,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((head == last && head == 0) && last == 0) && \old(len) == len) && !(\valid[last] == 0)) || !(\old(len) == 2)) || (((!(head == #memory_$Pointer$[last := #memory_$Pointer$[last][last := head]][head][head]) && \old(len) <= len + 1) && len <= 1) && head == #memory_$Pointer$[last := #memory_$Pointer$[last][last := head]][head][head]) - InvariantResult [Line: 614]: Loop Invariant [2020-10-14 05:10:30,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,426 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((s == #memory_$Pointer$[s][s] && len <= 2) && 2 <= len) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][s + 4]) && 0 <= i) && !(#memory_$Pointer$[s][s] == s)) && i <= 1) || ((((s == #memory_$Pointer$[s][s] && len <= 2) && 2 <= len) && i == 1) && !(#memory_$Pointer$[s][s] == s))) || (((((s == #memory_$Pointer$[s][s] && unknown-#memory_int-unknown[s][s + 4] + 2 == len * 2) && len <= 2) && 2 <= len) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][s + 4]) && i <= 1) - InvariantResult [Line: 596]: Loop Invariant [2020-10-14 05:10:30,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((\old(index) == 1 && #memory_$Pointer$[head][head] == head) && #memory_$Pointer$[head][head] == head) && index + 1 <= \old(index)) || (2 <= \old(index) && index + 1 <= \old(index))) || ((head == head && index == \old(index)) && head == head) - InvariantResult [Line: 609]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant [2020-10-14 05:10:30,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,435 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,447 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,448 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index + 1 <= \old(index)) && 1 <= \old(index)) && ((#memory_$Pointer$[head][head] == head && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (((head == #memory_$Pointer$[head][head] && #memory_$Pointer$[head][head] == head) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(data) == data))) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 2 <= \old(index)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(index) + data <= index + \old(data)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && head == head) && head == head) && index <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(data) == data) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant [2020-10-14 05:10:30,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,449 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-14 05:10:30,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-14 05:10:30,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-14 05:10:30,450 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-14 05:10:30,451 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((s == #memory_$Pointer$[s][s] && unknown-#memory_int-unknown[s][s + 4] + 2 == len * 2) && len <= 2) && 2 <= len) && len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][s + 4]) && i <= 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 54.4s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 488 SDtfs, 701 SDslu, 1555 SDs, 0 SdLazy, 3704 SolverSat, 470 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 366 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 861 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 55 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 93 PreInvPairs, 138 NumberOfFragments, 713 HoareAnnotationTreeSize, 93 FomulaSimplifications, 1456 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 691 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 46.9s InterpolantComputationTime, 691 NumberOfCodeBlocks, 691 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 678 ConstructedInterpolants, 0 QuantifiedInterpolants, 176195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 176/222 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...