/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/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 04:58:10,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 04:58:10,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 04:58:10,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 04:58:10,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 04:58:10,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 04:58:10,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 04:58:10,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 04:58:10,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 04:58:10,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 04:58:10,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 04:58:10,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 04:58:10,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 04:58:10,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 04:58:10,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 04:58:10,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 04:58:10,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 04:58:10,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 04:58:10,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 04:58:10,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 04:58:10,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 04:58:10,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 04:58:10,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 04:58:10,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 04:58:10,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 04:58:10,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 04:58:10,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 04:58:10,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 04:58:10,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 04:58:10,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 04:58:10,230 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 04:58:10,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 04:58:10,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 04:58:10,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 04:58:10,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 04:58:10,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 04:58:10,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 04:58:10,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 04:58:10,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 04:58:10,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 04:58:10,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 04:58:10,237 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 04:58:10,275 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 04:58:10,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 04:58:10,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 04:58:10,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 04:58:10,277 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 04:58:10,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 04:58:10,278 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 04:58:10,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 04:58:10,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 04:58:10,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 04:58:10,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 04:58:10,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 04:58:10,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 04:58:10,280 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 04:58:10,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 04:58:10,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 04:58:10,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 04:58:10,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 04:58:10,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 04:58:10,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 04:58:10,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 04:58:10,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 04:58:10,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 04:58:10,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 04:58:10,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 04:58:10,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 04:58:10,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 04:58:10,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 04:58:10,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 04:58:10,283 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 04:58:10,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 04:58:10,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 04:58:10,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 04:58:10,603 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 04:58:10,603 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 04:58:10,604 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-10-14 04:58:10,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c308f90c1/75396df869e64d56bf50ebfd522d68af/FLAG3e68b0858 [2020-10-14 04:58:11,207 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 04:58:11,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-10-14 04:58:11,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c308f90c1/75396df869e64d56bf50ebfd522d68af/FLAG3e68b0858 [2020-10-14 04:58:11,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c308f90c1/75396df869e64d56bf50ebfd522d68af [2020-10-14 04:58:11,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 04:58:11,546 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 04:58:11,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 04:58:11,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 04:58:11,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 04:58:11,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:58:11" (1/1) ... [2020-10-14 04:58:11,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a87fceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:11, skipping insertion in model container [2020-10-14 04:58:11,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:58:11" (1/1) ... [2020-10-14 04:58:11,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 04:58:11,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 04:58:11,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:58:11,984 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 04:58:12,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 04:58:12,110 INFO L208 MainTranslator]: Completed translation [2020-10-14 04:58:12,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:12 WrapperNode [2020-10-14 04:58:12,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 04:58:12,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 04:58:12,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 04:58:12,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 04:58:12,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:12" (1/1) ... [2020-10-14 04:58:12,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:12" (1/1) ... [2020-10-14 04:58:12,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:12" (1/1) ... [2020-10-14 04:58:12,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:12" (1/1) ... [2020-10-14 04:58:12,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:12" (1/1) ... [2020-10-14 04:58:12,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:12" (1/1) ... [2020-10-14 04:58:12,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:12" (1/1) ... [2020-10-14 04:58:12,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 04:58:12,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 04:58:12,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 04:58:12,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 04:58:12,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:12" (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 04:58:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 04:58:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 04:58:12,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-14 04:58:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2020-10-14 04:58:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2020-10-14 04:58:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-14 04:58:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-14 04:58:12,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 04:58:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 04:58:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-14 04:58:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-10-14 04:58:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-10-14 04:58:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-10-14 04:58:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-10-14 04:58:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-10-14 04:58:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-10-14 04:58:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-10-14 04:58:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-10-14 04:58:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-10-14 04:58:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-10-14 04:58:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-10-14 04:58:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-10-14 04:58:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-10-14 04:58:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-10-14 04:58:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-10-14 04:58:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-10-14 04:58:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-10-14 04:58:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-10-14 04:58:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-10-14 04:58:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-10-14 04:58:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-10-14 04:58:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-10-14 04:58:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-10-14 04:58:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-10-14 04:58:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-10-14 04:58:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-10-14 04:58:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-10-14 04:58:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-10-14 04:58:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-10-14 04:58:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-10-14 04:58:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-10-14 04:58:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-10-14 04:58:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-10-14 04:58:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-10-14 04:58:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-10-14 04:58:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-10-14 04:58:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-10-14 04:58:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-10-14 04:58:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 04:58:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-14 04:58:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-10-14 04:58:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-10-14 04:58:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-10-14 04:58:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-14 04:58:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-10-14 04:58:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-10-14 04:58:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-10-14 04:58:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-10-14 04:58:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-10-14 04:58:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-14 04:58:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-10-14 04:58:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-10-14 04:58:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-10-14 04:58:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-10-14 04:58:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-10-14 04:58:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-10-14 04:58:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-10-14 04:58:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-10-14 04:58:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-10-14 04:58:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-10-14 04:58:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-10-14 04:58:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-10-14 04:58:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-10-14 04:58:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-10-14 04:58:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-10-14 04:58:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-10-14 04:58:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-10-14 04:58:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-10-14 04:58:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-10-14 04:58:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-10-14 04:58:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-10-14 04:58:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-10-14 04:58:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-10-14 04:58:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-14 04:58:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-10-14 04:58:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-10-14 04:58:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-10-14 04:58:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-10-14 04:58:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-10-14 04:58:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-10-14 04:58:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-10-14 04:58:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-10-14 04:58:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-10-14 04:58:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-10-14 04:58:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-10-14 04:58:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-10-14 04:58:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-10-14 04:58:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-10-14 04:58:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-10-14 04:58:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-10-14 04:58:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-10-14 04:58:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-10-14 04:58:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-10-14 04:58:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-10-14 04:58:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-10-14 04:58:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-10-14 04:58:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-10-14 04:58:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-10-14 04:58:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-10-14 04:58:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-10-14 04:58:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-10-14 04:58:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 04:58:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 04:58:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-14 04:58:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 04:58:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-14 04:58:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-10-14 04:58:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-14 04:58:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-10-14 04:58:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-10-14 04:58:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-10-14 04:58:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-10-14 04:58:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-10-14 04:58:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-10-14 04:58:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-10-14 04:58:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-10-14 04:58:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-10-14 04:58:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-10-14 04:58:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-10-14 04:58:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 04:58:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2020-10-14 04:58:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2020-10-14 04:58:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-14 04:58:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-14 04:58:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 04:58:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 04:58:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 04:58:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 04:58:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 04:58:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 04:58:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 04:58:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 04:58:12,720 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 04:58:12,720 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 04:58:12,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:58:12 BoogieIcfgContainer [2020-10-14 04:58:12,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 04:58:12,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 04:58:12,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 04:58:12,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 04:58:12,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:58:11" (1/3) ... [2020-10-14 04:58:12,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abba9ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:58:12, skipping insertion in model container [2020-10-14 04:58:12,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:12" (2/3) ... [2020-10-14 04:58:12,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3abba9ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:58:12, skipping insertion in model container [2020-10-14 04:58:12,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:58:12" (3/3) ... [2020-10-14 04:58:12,732 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2020-10-14 04:58:12,742 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 04:58:12,749 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 04:58:12,761 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 04:58:12,784 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 04:58:12,784 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 04:58:12,784 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 04:58:12,784 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 04:58:12,785 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 04:58:12,785 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 04:58:12,785 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 04:58:12,785 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 04:58:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-10-14 04:58:12,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-14 04:58:12,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:58:12,810 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 04:58:12,811 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:58:12,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:58:12,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1135050545, now seen corresponding path program 1 times [2020-10-14 04:58:12,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:58:12,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347029563] [2020-10-14 04:58:12,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:58:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:12,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:13,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:13,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-14 04:58:13,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:13,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-14 04:58:13,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:13,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:58:13,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 04:58:13,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:58:13,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 04:58:13,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:58:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:13,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:13,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:13,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:58:13,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:13,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 04:58:13,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:13,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:13,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:13,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:13,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:13,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:13,391 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 04:58:13,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347029563] [2020-10-14 04:58:13,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:58:13,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 04:58:13,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215090145] [2020-10-14 04:58:13,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 04:58:13,402 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:58:13,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 04:58:13,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 04:58:13,419 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 7 states. [2020-10-14 04:58:13,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:58:13,759 INFO L93 Difference]: Finished difference Result 88 states and 113 transitions. [2020-10-14 04:58:13,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 04:58:13,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-10-14 04:58:13,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:58:13,772 INFO L225 Difference]: With dead ends: 88 [2020-10-14 04:58:13,773 INFO L226 Difference]: Without dead ends: 43 [2020-10-14 04:58:13,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-14 04:58:13,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-14 04:58:13,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2020-10-14 04:58:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-14 04:58:13,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2020-10-14 04:58:13,825 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 13 [2020-10-14 04:58:13,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:58:13,825 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2020-10-14 04:58:13,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 04:58:13,825 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2020-10-14 04:58:13,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 04:58:13,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:58:13,828 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 04:58:13,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 04:58:13,829 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:58:13,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:58:13,829 INFO L82 PathProgramCache]: Analyzing trace with hash -925661111, now seen corresponding path program 1 times [2020-10-14 04:58:13,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:58:13,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136703496] [2020-10-14 04:58:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:58:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:13,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:13,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:14,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:16,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:16,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 04:58:16,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 04:58:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2400 [2020-10-14 04:58:16,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:16,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 04:58:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 04:58:16,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 04:58:16,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:16,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:58:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:16,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:16,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:16,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:58:16,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:16,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:58:16,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:16,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:16,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:16,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:16,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:58:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:16,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:16,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:16,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:16,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:16,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 04:58:16,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:16,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:58:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 04:58:16,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:16,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:16,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:16,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:16,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:16,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:16,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 04:58:16,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:16,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:16,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:58:16,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:16,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:58:16,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:16,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 04:58:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:16,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:16,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:16,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:16,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:16,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 04:58:16,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:16,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:58:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 04:58:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:16,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:16,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:16,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:16,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:16,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:16,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:58:16,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:16,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:16,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:16,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:16,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:16,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 04:58:16,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136703496] [2020-10-14 04:58:16,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:58:16,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 04:58:16,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876462157] [2020-10-14 04:58:16,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 04:58:16,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:58:16,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 04:58:16,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 04:58:16,547 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 9 states. [2020-10-14 04:58:16,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:58:16,794 INFO L93 Difference]: Finished difference Result 69 states and 81 transitions. [2020-10-14 04:58:16,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 04:58:16,795 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2020-10-14 04:58:16,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:58:16,797 INFO L225 Difference]: With dead ends: 69 [2020-10-14 04:58:16,797 INFO L226 Difference]: Without dead ends: 48 [2020-10-14 04:58:16,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 04:58:16,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-14 04:58:16,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2020-10-14 04:58:16,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-14 04:58:16,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2020-10-14 04:58:16,810 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 38 [2020-10-14 04:58:16,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:58:16,811 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2020-10-14 04:58:16,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 04:58:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2020-10-14 04:58:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 04:58:16,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:58:16,813 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 04:58:16,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 04:58:16,814 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:58:16,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:58:16,814 INFO L82 PathProgramCache]: Analyzing trace with hash -894641304, now seen corresponding path program 1 times [2020-10-14 04:58:16,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:58:16,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346580343] [2020-10-14 04:58:16,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:58:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:16,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:16,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:17,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:17,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 04:58:17,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:58:17,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-14 04:58:17,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:17,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:17,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 04:58:17,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-14 04:58:17,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:58:17,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:17,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:58:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:17,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:17,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:17,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:58:17,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:17,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:58:17,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:17,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:17,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:17,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:17,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:17,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:58:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:17,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:17,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:17,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:58:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:17,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:17,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:17,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:17,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:17,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:17,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:17,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:58:17,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:17,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:17,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:17,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:17,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:17,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 04:58:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:17,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:17,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:17,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:17,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:17,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 04:58:17,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:17,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:17,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:58:17,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:17,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 04:58:17,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:17,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:17,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:17,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:17,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:17,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:17,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 04:58:17,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:17,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:58:17,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:17,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:58:17,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 04:58:17,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346580343] [2020-10-14 04:58:17,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:58:17,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 04:58:17,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712933047] [2020-10-14 04:58:17,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 04:58:17,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:58:17,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 04:58:17,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 04:58:17,507 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand 9 states. [2020-10-14 04:58:17,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:58:17,745 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2020-10-14 04:58:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 04:58:17,745 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 38 [2020-10-14 04:58:17,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:58:17,747 INFO L225 Difference]: With dead ends: 67 [2020-10-14 04:58:17,747 INFO L226 Difference]: Without dead ends: 43 [2020-10-14 04:58:17,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-14 04:58:17,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-14 04:58:17,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2020-10-14 04:58:17,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-14 04:58:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-10-14 04:58:17,757 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 38 [2020-10-14 04:58:17,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:58:17,758 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-10-14 04:58:17,758 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 04:58:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-10-14 04:58:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-14 04:58:17,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:58:17,760 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 04:58:17,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 04:58:17,760 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:58:17,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:58:17,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1188044311, now seen corresponding path program 1 times [2020-10-14 04:58:17,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:58:17,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652900614] [2020-10-14 04:58:17,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:58:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:17,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:17,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:18,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:18,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-14 04:58:18,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:58:18,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 525 [2020-10-14 04:58:18,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:18,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:18,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 04:58:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:58:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 04:58:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:18,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:58:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:18,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:18,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:18,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:58:18,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:18,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 04:58:18,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:18,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:18,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:58:18,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:18,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 04:58:18,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:18,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:58:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:18,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:18,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:18,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:18,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:18,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 04:58:18,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:18,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:58:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 04:58:18,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:18,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:18,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:18,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:18,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:18,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:18,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:58:18,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:18,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:18,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:18,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 04:58:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:18,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:18,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:18,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:18,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 04:58:18,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:18,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:58:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 04:58:18,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:18,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:18,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:18,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:18,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:18,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:18,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:58:18,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:18,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:18,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:18,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:18,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:18,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 04:58:18,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652900614] [2020-10-14 04:58:18,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 04:58:18,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 04:58:18,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26611873] [2020-10-14 04:58:18,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 04:58:18,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:58:18,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 04:58:18,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 04:58:18,542 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 8 states. [2020-10-14 04:58:19,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:58:19,022 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2020-10-14 04:58:19,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 04:58:19,023 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2020-10-14 04:58:19,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:58:19,025 INFO L225 Difference]: With dead ends: 69 [2020-10-14 04:58:19,025 INFO L226 Difference]: Without dead ends: 58 [2020-10-14 04:58:19,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-14 04:58:19,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-14 04:58:19,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2020-10-14 04:58:19,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-14 04:58:19,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2020-10-14 04:58:19,036 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 38 [2020-10-14 04:58:19,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:58:19,036 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2020-10-14 04:58:19,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 04:58:19,037 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2020-10-14 04:58:19,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-14 04:58:19,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:58:19,038 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 04:58:19,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 04:58:19,038 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:58:19,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:58:19,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1335597358, now seen corresponding path program 1 times [2020-10-14 04:58:19,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:58:19,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025070593] [2020-10-14 04:58:19,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:58:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:19,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:19,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:19,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 04:58:19,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:19,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-14 04:58:19,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:19,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:19,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-14 04:58:19,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 04:58:19,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-14 04:58:19,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:19,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:58:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:19,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:19,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:19,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:58:19,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:19,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:58:19,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:19,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:19,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:19,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:19,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:19,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:19,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:58:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:19,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:19,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:19,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:19,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:19,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 04:58:19,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:19,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:19,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:58:19,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:19,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 04:58:19,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:19,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:19,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:19,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:19,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:19,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:19,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 04:58:19,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:19,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:58:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:58:19,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:19,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 04:58:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:19,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:19,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:19,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:19,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:19,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 04:58:19,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:19,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 04:58:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:58:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 04:58:19,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:19,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:19,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:19,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:19,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:19,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 04:58:19,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:19,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 04:58:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:58:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 04:58:19,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:19,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:58:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:19,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:19,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:19,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:19,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:19,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 04:58:19,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:19,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:19,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 04:58:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 04:58:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 04:58:19,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025070593] [2020-10-14 04:58:19,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:58:19,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-14 04:58:19,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920644886] [2020-10-14 04:58:19,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-14 04:58:19,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:58:19,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-14 04:58:19,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2020-10-14 04:58:19,830 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 23 states. [2020-10-14 04:58:20,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:58:20,848 INFO L93 Difference]: Finished difference Result 66 states and 75 transitions. [2020-10-14 04:58:20,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 04:58:20,850 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 45 [2020-10-14 04:58:20,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:58:20,854 INFO L225 Difference]: With dead ends: 66 [2020-10-14 04:58:20,855 INFO L226 Difference]: Without dead ends: 59 [2020-10-14 04:58:20,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=167, Invalid=1239, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 04:58:20,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-14 04:58:20,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2020-10-14 04:58:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-14 04:58:20,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2020-10-14 04:58:20,873 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 45 [2020-10-14 04:58:20,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:58:20,873 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2020-10-14 04:58:20,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-14 04:58:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2020-10-14 04:58:20,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-14 04:58:20,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:58:20,874 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 04:58:20,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 04:58:20,875 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:58:20,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:58:20,877 INFO L82 PathProgramCache]: Analyzing trace with hash 526250732, now seen corresponding path program 1 times [2020-10-14 04:58:20,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:58:20,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462329882] [2020-10-14 04:58:20,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:58:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:20,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:20,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:21,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:21,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-14 04:58:21,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 04:58:21,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-14 04:58:21,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:21,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:21,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 04:58:21,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 04:58:21,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 04:58:21,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:21,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:58:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:21,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:21,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:21,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:58:21,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:21,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 04:58:21,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:21,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:58:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:21,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 04:58:21,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:21,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:58:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:21,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:21,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:21,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:21,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:21,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 04:58:21,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:21,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:58:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:21,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 04:58:21,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:21,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:21,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:21,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:21,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:21,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:58:21,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:21,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:21,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 04:58:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:21,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:21,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:21,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:21,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:21,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 04:58:21,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:21,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:58:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 04:58:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:21,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:21,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:21,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:21,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:21,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:21,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:58:21,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:21,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:21,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:21,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:21,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:58:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:21,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:21,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:21,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:21,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:21,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 04:58:21,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:21,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:21,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 04:58:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 04:58:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 04:58:21,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-14 04:58:21,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462329882] [2020-10-14 04:58:21,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:58:21,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 04:58:21,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475491453] [2020-10-14 04:58:21,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 04:58:21,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:58:21,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 04:58:21,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 04:58:21,614 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 9 states. [2020-10-14 04:58:22,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:58:22,051 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2020-10-14 04:58:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 04:58:22,052 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2020-10-14 04:58:22,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:58:22,053 INFO L225 Difference]: With dead ends: 67 [2020-10-14 04:58:22,054 INFO L226 Difference]: Without dead ends: 62 [2020-10-14 04:58:22,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-10-14 04:58:22,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-14 04:58:22,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 54. [2020-10-14 04:58:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-14 04:58:22,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2020-10-14 04:58:22,070 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 45 [2020-10-14 04:58:22,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:58:22,070 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2020-10-14 04:58:22,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 04:58:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2020-10-14 04:58:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 04:58:22,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:58:22,074 INFO L422 BasicCegarLoop]: trace histogram [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 04:58:22,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 04:58:22,075 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:58:22,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:58:22,077 INFO L82 PathProgramCache]: Analyzing trace with hash -2119488644, now seen corresponding path program 1 times [2020-10-14 04:58:22,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:58:22,077 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982494876] [2020-10-14 04:58:22,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:58:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:22,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:22,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:23,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:23,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:23,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:27,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:27,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 04:58:27,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 04:58:27,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 04:58:27,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:27,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 04:58:27,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 04:58:27,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-14 04:58:27,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:27,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:58:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:27,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:27,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:27,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:58:27,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:27,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 04:58:27,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:27,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:27,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:27,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:27,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 04:58:27,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:58:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:27,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:27,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:27,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:27,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:27,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:58:27,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:27,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:27,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:27,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:27,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:27,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:27,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:27,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:58:27,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:27,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:27,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:27,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:27,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 04:58:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:27,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:27,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:27,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:27,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:27,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:58:27,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:27,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:27,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:27,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:27,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:27,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:27,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:27,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:27,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:27,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:27,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:27,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:58:27,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:27,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:27,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:27,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:27,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:27,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:58:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:27,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:27,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:27,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:27,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:27,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 04:58:27,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:27,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:27,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:58:27,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:27,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:58:27,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:27,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 04:58:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:27,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:27,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:27,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:27,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 04:58:27,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:27,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:27,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 04:58:27,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:27,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 04:58:27,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:27,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 04:58:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:27,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:27,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:27,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:58:27,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 04:58:27,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:27,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:27,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 04:58:27,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:27,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 04:58:27,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-14 04:58:27,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982494876] [2020-10-14 04:58:27,417 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:58:27,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 04:58:27,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176600474] [2020-10-14 04:58:27,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 04:58:27,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:58:27,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 04:58:27,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 04:58:27,420 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand 10 states. [2020-10-14 04:58:27,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:58:27,918 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2020-10-14 04:58:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 04:58:27,918 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-14 04:58:27,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:58:27,920 INFO L225 Difference]: With dead ends: 62 [2020-10-14 04:58:27,920 INFO L226 Difference]: Without dead ends: 54 [2020-10-14 04:58:27,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2020-10-14 04:58:27,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-14 04:58:27,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-14 04:58:27,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-14 04:58:27,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2020-10-14 04:58:27,929 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 57 [2020-10-14 04:58:27,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:58:27,930 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2020-10-14 04:58:27,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 04:58:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2020-10-14 04:58:27,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 04:58:27,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 04:58:27,931 INFO L422 BasicCegarLoop]: trace histogram [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 04:58:27,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 04:58:27,931 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 04:58:27,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 04:58:27,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1366132026, now seen corresponding path program 1 times [2020-10-14 04:58:27,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 04:58:27,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72509385] [2020-10-14 04:58:27,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 04:58:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:27,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:28,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:29,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:31,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:31,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-14 04:58:31,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 04:58:31,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3109 [2020-10-14 04:58:31,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:31,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 04:58:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 04:58:31,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 04:58:31,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:31,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 04:58:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:31,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:31,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:31,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 04:58:31,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:31,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:58:31,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:31,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:31,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:31,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:31,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:31,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:31,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 04:58:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:31,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:31,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:31,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:31,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:31,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:58:31,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:31,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:31,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:31,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:31,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:31,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:31,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:31,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:31,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:31,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:58:31,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:31,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:31,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:31,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 04:58:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:31,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:31,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:31,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 04:58:31,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:31,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:58:31,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:31,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:31,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:31,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:31,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:31,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:31,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 04:58:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:31,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:31,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:31,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:31,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:31,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 04:58:31,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:31,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:31,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:31,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:31,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:31,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 04:58:31,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 04:58:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:31,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:31,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:31,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:31,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:31,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:58:31,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:31,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:31,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:31,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:31,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:31,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:31,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 04:58:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:31,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:31,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:31,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 04:58:31,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:31,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 04:58:31,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:31,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 04:58:31,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:31,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 04:58:31,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 04:58:31,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-14 04:58:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 04:58:31,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 04:58:31,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 04:58:31,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 04:58:31,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 04:58:31,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 04:58:31,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 04:58:31,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 04:58:31,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 04:58:31,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 04:58:31,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 04:58:31,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 04:58:31,278 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-14 04:58:31,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72509385] [2020-10-14 04:58:31,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 04:58:31,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 04:58:31,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947343473] [2020-10-14 04:58:31,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 04:58:31,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 04:58:31,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 04:58:31,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-14 04:58:31,281 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand 10 states. [2020-10-14 04:58:31,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 04:58:31,619 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2020-10-14 04:58:31,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 04:58:31,619 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-14 04:58:31,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 04:58:31,620 INFO L225 Difference]: With dead ends: 54 [2020-10-14 04:58:31,620 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 04:58:31,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-14 04:58:31,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 04:58:31,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 04:58:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 04:58:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 04:58:31,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-10-14 04:58:31,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 04:58:31,623 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 04:58:31,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 04:58:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 04:58:31,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 04:58:31,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 04:58:31,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 04:58:32,479 INFO L268 CegarLoopResult]: For program point my_mallocFINAL(lines 878 880) no Hoare annotation was computed. [2020-10-14 04:58:32,479 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (<= 8 my_malloc_~size)) (not (<= 8 |my_malloc_#in~size|))) [2020-10-14 04:58:32,479 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-10-14 04:58:32,480 INFO L264 CegarLoopResult]: At program point my_mallocENTRY(lines 878 880) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (<= 8 |my_malloc_#in~size|))) [2020-10-14 04:58:32,480 INFO L268 CegarLoopResult]: For program point my_mallocEXIT(lines 878 880) no Hoare annotation was computed. [2020-10-14 04:58:32,480 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 04:58:32,480 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= |~#head~0.base| |old(~#head~0.base)|) (= |old(#length)| |#length|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= |~#head~0.offset| |old(~#head~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~elem~0.offset |old(~elem~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~elem~0.base |old(~elem~0.base)|) (= |old(#valid)| |#valid|)) [2020-10-14 04:58:32,480 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 04:58:32,480 INFO L268 CegarLoopResult]: For program point L896(lines 896 897) no Hoare annotation was computed. [2020-10-14 04:58:32,480 INFO L268 CegarLoopResult]: For program point L896-2(lines 895 898) no Hoare annotation was computed. [2020-10-14 04:58:32,480 INFO L268 CegarLoopResult]: For program point list_delEXIT(lines 895 898) no Hoare annotation was computed. [2020-10-14 04:58:32,481 INFO L264 CegarLoopResult]: At program point list_delENTRY(lines 895 898) the Hoare annotation is: (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) [2020-10-14 04:58:32,481 INFO L264 CegarLoopResult]: At program point list_addENTRY(lines 889 893) the Hoare annotation is: (or (and (= |old(~elem~0.base)| |list_add_#in~new.base|) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) (and (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset))) [2020-10-14 04:58:32,481 INFO L268 CegarLoopResult]: For program point L891(lines 891 892) no Hoare annotation was computed. [2020-10-14 04:58:32,481 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-10-14 04:58:32,481 INFO L268 CegarLoopResult]: For program point L891-2(lines 889 893) no Hoare annotation was computed. [2020-10-14 04:58:32,481 INFO L264 CegarLoopResult]: At program point L890-2(line 890) the Hoare annotation is: (and (= |old(~elem~0.base)| |list_add_#in~new.base|) (= |old(~elem~0.offset)| |list_add_#in~new.offset|)) [2020-10-14 04:58:32,482 INFO L268 CegarLoopResult]: For program point L890-3(line 890) no Hoare annotation was computed. [2020-10-14 04:58:32,482 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 889 893) no Hoare annotation was computed. [2020-10-14 04:58:32,482 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-10-14 04:58:32,482 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-10-14 04:58:32,482 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-10-14 04:58:32,482 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-10-14 04:58:32,482 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 04:58:32,483 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~elem~0.offset 0) (= ~elem~0.base 0)) [2020-10-14 04:58:32,483 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 04:58:32,483 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 04:58:32,483 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 902 917) the Hoare annotation is: (or (not (= |old(~elem~0.base)| 0)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-10-14 04:58:32,483 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 902 917) no Hoare annotation was computed. [2020-10-14 04:58:32,483 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (let ((.cse0 (or (not (= main_~dev2~0.base ~elem~0.base)) (not (= main_~dev2~0.offset ~elem~0.offset))))) (or (and (<= (+ |old(~guard_malloc_counter~0.offset)| 1) ~guard_malloc_counter~0.offset) (not (= main_~dev2~0.offset main_~dev1~0.offset)) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) .cse0) (and (= ~elem~0.offset 0) (= ~elem~0.base 0) .cse0) (not (= |old(~elem~0.base)| 0)) (not (= |old(~elem~0.offset)| 0)))) [2020-10-14 04:58:32,484 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 902 917) no Hoare annotation was computed. [2020-10-14 04:58:32,484 INFO L264 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: (or (and (= ~elem~0.offset 0) (= ~elem~0.base 0) (or (not (= main_~dev2~0.base ~elem~0.base)) (not (= main_~dev2~0.offset ~elem~0.offset)))) (and (<= (+ |old(~guard_malloc_counter~0.offset)| 1) ~guard_malloc_counter~0.offset) (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) (not (= main_~dev2~0.offset main_~dev1~0.offset))) (not (= |old(~elem~0.base)| 0)) (not (= |old(~elem~0.offset)| 0))) [2020-10-14 04:58:32,484 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (and (<= (+ |old(~guard_malloc_counter~0.offset)| 1) ~guard_malloc_counter~0.offset) (not (= main_~dev2~0.offset main_~dev1~0.offset)) (= ~elem~0.offset 0) (or (not (= ~elem~0.base main_~dev1~0.base)) (not (= main_~dev1~0.offset ~elem~0.offset))) (= |old(~elem~0.base)| ~elem~0.base) (or (not (= main_~dev2~0.base ~elem~0.base)) (not (= main_~dev2~0.offset ~elem~0.offset)))) (not (= |old(~elem~0.base)| 0)) (not (= |old(~elem~0.offset)| 0))) [2020-10-14 04:58:32,484 INFO L268 CegarLoopResult]: For program point L906(lines 906 915) no Hoare annotation was computed. [2020-10-14 04:58:32,484 INFO L264 CegarLoopResult]: At program point L907-1(line 907) the Hoare annotation is: (let ((.cse0 (<= (+ |old(~guard_malloc_counter~0.offset)| 1) ~guard_malloc_counter~0.offset)) (.cse1 (not (= main_~dev2~0.offset main_~dev1~0.offset)))) (or (and .cse0 (not (= ~elem~0.base main_~dev1~0.base)) .cse1 (= ~elem~0.offset 0) (not (= main_~dev2~0.offset ~elem~0.offset)) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.base)| 0)) (not (= |old(~elem~0.offset)| 0)) (and .cse0 (or (<= (+ main_~dev2~0.offset 1) 0) (< 0 main_~dev2~0.base) (< 0 main_~dev2~0.offset) (<= (+ main_~dev2~0.base 1) 0)) .cse1 (not (= main_~dev1~0.offset ~elem~0.offset))))) [2020-10-14 04:58:32,485 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (and (= main_~dev1~0.offset ~guard_malloc_counter~0.offset) (<= (+ |old(~guard_malloc_counter~0.offset)| 1) ~guard_malloc_counter~0.offset) (= |old(~elem~0.base)| ~elem~0.base) (= |old(~elem~0.offset)| ~elem~0.offset)) (not (= |old(~elem~0.base)| 0)) (and (= main_~dev1~0.base 0) (= main_~dev1~0.offset 0)) (not (= |old(~elem~0.offset)| 0))) [2020-10-14 04:58:32,485 INFO L268 CegarLoopResult]: For program point L906-1(lines 906 915) no Hoare annotation was computed. [2020-10-14 04:58:32,485 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (= |old(~elem~0.base)| 0)) (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|) (= ~elem~0.offset 0) (= |old(~elem~0.base)| ~elem~0.base)) (not (= |old(~elem~0.offset)| 0))) [2020-10-14 04:58:32,485 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-10-14 04:58:32,485 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-10-14 04:58:32,485 INFO L264 CegarLoopResult]: At program point __getMemoryENTRY(lines 869 876) the Hoare annotation is: (or (and (= ~guard_malloc_counter~0.base |old(~guard_malloc_counter~0.base)|) (= ~guard_malloc_counter~0.offset |old(~guard_malloc_counter~0.offset)|)) (not (<= 8 |__getMemory_#in~size|)) (not (= ~elem~0.offset 0)) (not (= ~elem~0.base 0))) [2020-10-14 04:58:32,485 INFO L268 CegarLoopResult]: For program point __getMemoryEXIT(lines 869 876) no Hoare annotation was computed. [2020-10-14 04:58:32,486 INFO L268 CegarLoopResult]: For program point __getMemoryFINAL(lines 869 876) no Hoare annotation was computed. [2020-10-14 04:58:32,486 INFO L268 CegarLoopResult]: For program point L873(lines 873 874) no Hoare annotation was computed. [2020-10-14 04:58:32,486 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-10-14 04:58:32,486 INFO L264 CegarLoopResult]: At program point L871-2(line 871) the Hoare annotation is: (or (not (<= 8 |__getMemory_#in~size|)) (not (= ~elem~0.offset 0)) (not (= ~elem~0.base 0))) [2020-10-14 04:58:32,486 INFO L268 CegarLoopResult]: For program point L871-3(line 871) no Hoare annotation was computed. [2020-10-14 04:58:32,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 04:58:32 BoogieIcfgContainer [2020-10-14 04:58:32,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 04:58:32,496 INFO L168 Benchmark]: Toolchain (without parser) took 20948.82 ms. Allocated memory was 146.8 MB in the beginning and 522.7 MB in the end (delta: 375.9 MB). Free memory was 101.9 MB in the beginning and 443.1 MB in the end (delta: -341.2 MB). Peak memory consumption was 365.8 MB. Max. memory is 7.1 GB. [2020-10-14 04:58:32,497 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 04:58:32,498 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.53 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 168.1 MB in the end (delta: -66.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-10-14 04:58:32,498 INFO L168 Benchmark]: Boogie Preprocessor took 59.97 ms. Allocated memory is still 203.4 MB. Free memory was 168.1 MB in the beginning and 165.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-10-14 04:58:32,499 INFO L168 Benchmark]: RCFGBuilder took 551.70 ms. Allocated memory is still 203.4 MB. Free memory was 165.3 MB in the beginning and 119.6 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. [2020-10-14 04:58:32,500 INFO L168 Benchmark]: TraceAbstraction took 19767.33 ms. Allocated memory was 203.4 MB in the beginning and 522.7 MB in the end (delta: 319.3 MB). Free memory was 118.9 MB in the beginning and 443.1 MB in the end (delta: -324.2 MB). Peak memory consumption was 326.2 MB. Max. memory is 7.1 GB. [2020-10-14 04:58:32,503 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 565.53 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 168.1 MB in the end (delta: -66.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.97 ms. Allocated memory is still 203.4 MB. Free memory was 168.1 MB in the beginning and 165.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 551.70 ms. Allocated memory is still 203.4 MB. Free memory was 165.3 MB in the beginning and 119.6 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19767.33 ms. Allocated memory was 203.4 MB in the beginning and 522.7 MB in the end (delta: 319.3 MB). Free memory was 118.9 MB in the beginning and 443.1 MB in the end (delta: -324.2 MB). Peak memory consumption was 326.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.8s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 313 SDtfs, 375 SDslu, 719 SDs, 0 SdLazy, 2108 SolverSat, 263 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 25 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 66 PreInvPairs, 76 NumberOfFragments, 424 HoareAnnotationTreeSize, 66 FomulaSimplifications, 218 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 1044 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 14.6s InterpolantComputationTime, 331 NumberOfCodeBlocks, 331 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 323 ConstructedInterpolants, 0 QuantifiedInterpolants, 58273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 83/101 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...