/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:57:58,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:57:58,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:57:59,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:57:59,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:57:59,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:57:59,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:57:59,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:57:59,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:57:59,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:57:59,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:57:59,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:57:59,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:57:59,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:57:59,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:57:59,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:57:59,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:57:59,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:57:59,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:57:59,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:57:59,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:57:59,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:57:59,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:57:59,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:57:59,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:57:59,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:57:59,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:57:59,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:57:59,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:57:59,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:57:59,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:57:59,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:57:59,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:57:59,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:57:59,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:57:59,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:57:59,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:57:59,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:57:59,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:57:59,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:57:59,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:57:59,081 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 [2020-09-25 08:57:59,133 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:57:59,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:57:59,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:57:59,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:57:59,135 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:57:59,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:57:59,135 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:57:59,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:57:59,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:57:59,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:57:59,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:57:59,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:57:59,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:57:59,136 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:57:59,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:57:59,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:57:59,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:57:59,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:57:59,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:57:59,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:57:59,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:57:59,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:57:59,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:57:59,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:57:59,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:57:59,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:57:59,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:57:59,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:57:59,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:57:59,140 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:57:59,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:57:59,628 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:57:59,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:57:59,637 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:57:59,637 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:57:59,638 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list.i [2020-09-25 08:57:59,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df51a882e/3ae29468328c491b987e5ce589117943/FLAG316c69a87 [2020-09-25 08:58:00,345 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:58:00,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule60_list.i [2020-09-25 08:58:00,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df51a882e/3ae29468328c491b987e5ce589117943/FLAG316c69a87 [2020-09-25 08:58:00,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df51a882e/3ae29468328c491b987e5ce589117943 [2020-09-25 08:58:00,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:58:00,648 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:58:00,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:58:00,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:58:00,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:58:00,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:58:00" (1/1) ... [2020-09-25 08:58:00,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b166d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:00, skipping insertion in model container [2020-09-25 08:58:00,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:58:00" (1/1) ... [2020-09-25 08:58:00,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:58:00,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:58:01,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:58:01,158 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:58:01,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:58:01,283 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:58:01,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:01 WrapperNode [2020-09-25 08:58:01,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:58:01,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:58:01,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:58:01,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:58:01,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:01" (1/1) ... [2020-09-25 08:58:01,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:01" (1/1) ... [2020-09-25 08:58:01,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:01" (1/1) ... [2020-09-25 08:58:01,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:01" (1/1) ... [2020-09-25 08:58:01,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:01" (1/1) ... [2020-09-25 08:58:01,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:01" (1/1) ... [2020-09-25 08:58:01,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:01" (1/1) ... [2020-09-25 08:58:01,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:58:01,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:58:01,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:58:01,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:58:01,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:58:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:58:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:58:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-25 08:58:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-09-25 08:58:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-09-25 08:58:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:58:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:58:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-25 08:58:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-09-25 08:58:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-09-25 08:58:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-09-25 08:58:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-09-25 08:58:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-09-25 08:58:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-09-25 08:58:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-09-25 08:58:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-09-25 08:58:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-09-25 08:58:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-09-25 08:58:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-09-25 08:58:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-09-25 08:58:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-09-25 08:58:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-09-25 08:58:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-09-25 08:58:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-09-25 08:58:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-09-25 08:58:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-09-25 08:58:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-09-25 08:58:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-09-25 08:58:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-09-25 08:58:01,445 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-09-25 08:58:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-09-25 08:58:01,446 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-09-25 08:58:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-09-25 08:58:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-09-25 08:58:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-09-25 08:58:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-09-25 08:58:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-09-25 08:58:01,447 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-09-25 08:58:01,448 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-09-25 08:58:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-09-25 08:58:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-09-25 08:58:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-09-25 08:58:01,449 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-09-25 08:58:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-09-25 08:58:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-09-25 08:58:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-09-25 08:58:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:58:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-09-25 08:58:01,450 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-09-25 08:58:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-09-25 08:58:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-09-25 08:58:01,451 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-25 08:58:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-09-25 08:58:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-09-25 08:58:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-09-25 08:58:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-09-25 08:58:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-09-25 08:58:01,452 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-09-25 08:58:01,453 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-09-25 08:58:01,453 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-09-25 08:58:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-09-25 08:58:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-09-25 08:58:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-09-25 08:58:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-09-25 08:58:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-09-25 08:58:01,454 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-09-25 08:58:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-09-25 08:58:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-09-25 08:58:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-09-25 08:58:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-09-25 08:58:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-09-25 08:58:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-09-25 08:58:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-09-25 08:58:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-09-25 08:58:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-09-25 08:58:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-09-25 08:58:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-09-25 08:58:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-09-25 08:58:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-09-25 08:58:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-09-25 08:58:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-09-25 08:58:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-25 08:58:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-09-25 08:58:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-09-25 08:58:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-09-25 08:58:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-09-25 08:58:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-09-25 08:58:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-09-25 08:58:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-09-25 08:58:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-09-25 08:58:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-09-25 08:58:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-09-25 08:58:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-09-25 08:58:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-09-25 08:58:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-09-25 08:58:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-09-25 08:58:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-09-25 08:58:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-09-25 08:58:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-09-25 08:58:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-09-25 08:58:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-09-25 08:58:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-09-25 08:58:01,460 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-09-25 08:58:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-09-25 08:58:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-09-25 08:58:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-09-25 08:58:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-09-25 08:58:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-09-25 08:58:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-09-25 08:58:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:58:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 08:58:01,461 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 08:58:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:58:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 08:58:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-09-25 08:58:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 08:58:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-09-25 08:58:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-09-25 08:58:01,462 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-09-25 08:58:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-09-25 08:58:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-09-25 08:58:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-09-25 08:58:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-09-25 08:58:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-09-25 08:58:01,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-09-25 08:58:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-09-25 08:58:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-09-25 08:58:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-09-25 08:58:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:58:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:58:01,464 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-09-25 08:58:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:58:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:58:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:58:01,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:58:01,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 08:58:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:58:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:58:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:58:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:58:01,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:58:02,007 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:58:02,008 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 08:58:02,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:58:02 BoogieIcfgContainer [2020-09-25 08:58:02,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:58:02,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:58:02,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:58:02,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:58:02,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:58:00" (1/3) ... [2020-09-25 08:58:02,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18804f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:58:02, skipping insertion in model container [2020-09-25 08:58:02,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:58:01" (2/3) ... [2020-09-25 08:58:02,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18804f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:58:02, skipping insertion in model container [2020-09-25 08:58:02,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:58:02" (3/3) ... [2020-09-25 08:58:02,023 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list.i [2020-09-25 08:58:02,037 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:58:02,051 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:58:02,075 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:58:02,102 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:58:02,103 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:58:02,103 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:58:02,103 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:58:02,103 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:58:02,103 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:58:02,103 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:58:02,103 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:58:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-09-25 08:58:02,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-25 08:58:02,134 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:58:02,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:58:02,136 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:58:02,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:58:02,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1815251874, now seen corresponding path program 1 times [2020-09-25 08:58:02,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:58:02,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592923817] [2020-09-25 08:58:02,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:58:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:02,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:02,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:02,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 08:58:02,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:02,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 661 [2020-09-25 08:58:02,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:02,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:02,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 08:58:02,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-25 08:58:02,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:58:02,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 08:58:03,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:58:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:03,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:03,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:03,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:58:03,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:03,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 08:58:03,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:03,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:03,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:58:03,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:58:03,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:58:03,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:58:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:58:03,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592923817] [2020-09-25 08:58:03,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:58:03,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 08:58:03,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897691945] [2020-09-25 08:58:03,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 08:58:03,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:58:03,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 08:58:03,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:58:03,257 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 7 states. [2020-09-25 08:58:03,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:58:03,618 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2020-09-25 08:58:03,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 08:58:03,620 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2020-09-25 08:58:03,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:58:03,633 INFO L225 Difference]: With dead ends: 77 [2020-09-25 08:58:03,633 INFO L226 Difference]: Without dead ends: 42 [2020-09-25 08:58:03,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:58:03,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-25 08:58:03,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-25 08:58:03,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-25 08:58:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2020-09-25 08:58:03,693 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 23 [2020-09-25 08:58:03,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:58:03,694 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2020-09-25 08:58:03,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 08:58:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2020-09-25 08:58:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-09-25 08:58:03,695 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:58:03,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:58:03,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:58:03,696 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:58:03,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:58:03,696 INFO L82 PathProgramCache]: Analyzing trace with hash -953108253, now seen corresponding path program 1 times [2020-09-25 08:58:03,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:58:03,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575607085] [2020-09-25 08:58:03,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:58:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:03,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:04,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:04,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:58:04,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:04,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-09-25 08:58:04,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:04,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 08:58:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 08:58:04,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 08:58:04,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:58:04,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:58:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:04,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:04,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:04,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:58:04,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:04,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:58:04,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:04,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:04,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:58:04,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:58:04,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:58:04,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:58:04,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 08:58:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:04,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:04,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:04,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:58:04,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:04,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 08:58:04,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:04,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:04,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:58:04,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:58:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 08:58:04,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 08:58:04,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:58:04,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575607085] [2020-09-25 08:58:04,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:58:04,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:58:04,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794057463] [2020-09-25 08:58:04,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:58:04,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:58:04,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:58:04,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:58:04,463 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 10 states. [2020-09-25 08:58:05,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:58:05,170 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2020-09-25 08:58:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:58:05,171 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-09-25 08:58:05,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:58:05,173 INFO L225 Difference]: With dead ends: 44 [2020-09-25 08:58:05,173 INFO L226 Difference]: Without dead ends: 41 [2020-09-25 08:58:05,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-09-25 08:58:05,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-09-25 08:58:05,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-09-25 08:58:05,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-09-25 08:58:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 40 transitions. [2020-09-25 08:58:05,192 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 40 transitions. Word has length 31 [2020-09-25 08:58:05,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:58:05,193 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 40 transitions. [2020-09-25 08:58:05,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:58:05,194 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 40 transitions. [2020-09-25 08:58:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-25 08:58:05,196 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:58:05,196 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:58:05,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:58:05,196 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:58:05,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:58:05,197 INFO L82 PathProgramCache]: Analyzing trace with hash 609934341, now seen corresponding path program 1 times [2020-09-25 08:58:05,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:58:05,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094884661] [2020-09-25 08:58:05,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:58:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:05,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:05,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:05,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 08:58:05,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:05,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-09-25 08:58:05,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:05,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 08:58:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-25 08:58:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 08:58:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:58:05,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:58:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:05,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:05,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:05,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:58:05,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:05,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 08:58:05,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:05,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:05,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:58:05,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:58:05,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:58:05,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:58:05,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-25 08:58:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:05,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:05,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:05,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 08:58:05,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:05,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:58:05,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:05,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:58:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:58:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:58:05,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:58:05,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 08:58:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:58:05,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:58:05,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:58:05,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 08:58:05,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:58:05,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 08:58:05,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:58:05,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:58:05,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:58:05,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:58:05,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 08:58:05,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:58:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:58:06,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094884661] [2020-09-25 08:58:06,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 08:58:06,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-25 08:58:06,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017709526] [2020-09-25 08:58:06,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:58:06,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:58:06,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:58:06,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:58:06,021 INFO L87 Difference]: Start difference. First operand 41 states and 40 transitions. Second operand 10 states. [2020-09-25 08:58:06,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:58:06,390 INFO L93 Difference]: Finished difference Result 41 states and 40 transitions. [2020-09-25 08:58:06,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:58:06,393 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2020-09-25 08:58:06,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:58:06,394 INFO L225 Difference]: With dead ends: 41 [2020-09-25 08:58:06,394 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:58:06,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-09-25 08:58:06,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:58:06,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:58:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:58:06,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:58:06,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2020-09-25 08:58:06,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:58:06,396 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:58:06,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:58:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:58:06,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:58:06,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:58:06,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:58:06,595 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 08:58:06,595 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 08:58:06,595 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line 876) no Hoare annotation was computed. [2020-09-25 08:58:06,596 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-09-25 08:58:06,596 INFO L268 CegarLoopResult]: For program point L876-1(line 876) no Hoare annotation was computed. [2020-09-25 08:58:06,596 INFO L268 CegarLoopResult]: For program point L876-2(line 876) no Hoare annotation was computed. [2020-09-25 08:58:06,596 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(~#head~0.base)| |~#head~0.base|) (= |old(#length)| |#length|) (= |~#head~0.offset| |old(~#head~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-25 08:58:06,597 INFO L268 CegarLoopResult]: For program point L876-3(line 876) no Hoare annotation was computed. [2020-09-25 08:58:06,597 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 08:58:06,597 INFO L268 CegarLoopResult]: For program point list_delFINAL(lines 871 874) no Hoare annotation was computed. [2020-09-25 08:58:06,597 INFO L268 CegarLoopResult]: For program point list_delEXIT(lines 871 874) no Hoare annotation was computed. [2020-09-25 08:58:06,597 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-09-25 08:58:06,597 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-09-25 08:58:06,597 INFO L264 CegarLoopResult]: At program point list_delENTRY(lines 871 874) the Hoare annotation is: (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) (+ |list_del_#in~entry.offset| 8)) 1))) [2020-09-25 08:58:06,598 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-09-25 08:58:06,598 INFO L264 CegarLoopResult]: At program point L872-3(line 872) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) (+ |list_del_#in~entry.offset| 8)) 1)) [2020-09-25 08:58:06,598 INFO L268 CegarLoopResult]: For program point L872-4(line 872) no Hoare annotation was computed. [2020-09-25 08:58:06,598 INFO L264 CegarLoopResult]: At program point list_addENTRY(lines 866 869) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) (+ |list_add_#in~new.offset| 8)) 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) [2020-09-25 08:58:06,598 INFO L264 CegarLoopResult]: At program point L867-3(line 867) the Hoare annotation is: (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) (+ |list_add_#in~new.offset| 8)) 0)) [2020-09-25 08:58:06,599 INFO L268 CegarLoopResult]: For program point L867-4(line 867) no Hoare annotation was computed. [2020-09-25 08:58:06,599 INFO L268 CegarLoopResult]: For program point list_addFINAL(lines 866 869) no Hoare annotation was computed. [2020-09-25 08:58:06,599 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-09-25 08:58:06,599 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 866 869) no Hoare annotation was computed. [2020-09-25 08:58:06,599 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-09-25 08:58:06,599 INFO L268 CegarLoopResult]: For program point L866(lines 866 869) no Hoare annotation was computed. [2020-09-25 08:58:06,599 INFO L268 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2020-09-25 08:58:06,600 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-09-25 08:58:06,600 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-09-25 08:58:06,600 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-09-25 08:58:06,600 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-09-25 08:58:06,600 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 08:58:06,600 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 08:58:06,601 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 08:58:06,601 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 08:58:06,601 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 878 888) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 08:58:06,601 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 878 888) no Hoare annotation was computed. [2020-09-25 08:58:06,601 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (= (select (select |#memory_int| main_~dev~0.base) (+ main_~dev~0.offset 8)) 0) [2020-09-25 08:58:06,601 INFO L264 CegarLoopResult]: At program point L883(line 883) the Hoare annotation is: (= (select (select |#memory_int| main_~dev~0.base) (+ main_~dev~0.offset 8)) 1) [2020-09-25 08:58:06,602 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-09-25 08:58:06,602 INFO L268 CegarLoopResult]: For program point L881(lines 881 886) no Hoare annotation was computed. [2020-09-25 08:58:06,602 INFO L264 CegarLoopResult]: At program point L882-1(line 882) the Hoare annotation is: (= (select (select |#memory_int| main_~dev~0.base) (+ main_~dev~0.offset 8)) 0) [2020-09-25 08:58:06,602 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-09-25 08:58:06,602 INFO L268 CegarLoopResult]: For program point L881-1(lines 881 886) no Hoare annotation was computed. [2020-09-25 08:58:06,602 INFO L268 CegarLoopResult]: For program point L880-1(line 880) no Hoare annotation was computed. [2020-09-25 08:58:06,603 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 878 888) no Hoare annotation was computed. [2020-09-25 08:58:06,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 08:58:06 BoogieIcfgContainer [2020-09-25 08:58:06,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 08:58:06,614 INFO L168 Benchmark]: Toolchain (without parser) took 5969.84 ms. Allocated memory was 138.9 MB in the beginning and 250.1 MB in the end (delta: 111.1 MB). Free memory was 100.9 MB in the beginning and 144.9 MB in the end (delta: -44.0 MB). Peak memory consumption was 67.1 MB. Max. memory is 7.1 GB. [2020-09-25 08:58:06,615 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 08:58:06,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.57 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 99.8 MB in the beginning and 167.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-09-25 08:58:06,617 INFO L168 Benchmark]: Boogie Preprocessor took 66.00 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 164.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-09-25 08:58:06,618 INFO L168 Benchmark]: RCFGBuilder took 660.82 ms. Allocated memory is still 202.4 MB. Free memory was 164.9 MB in the beginning and 120.7 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. [2020-09-25 08:58:06,619 INFO L168 Benchmark]: TraceAbstraction took 4596.38 ms. Allocated memory was 202.4 MB in the beginning and 250.1 MB in the end (delta: 47.7 MB). Free memory was 120.0 MB in the beginning and 144.9 MB in the end (delta: -24.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-09-25 08:58:06,623 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 633.57 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 99.8 MB in the beginning and 167.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.00 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 164.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 660.82 ms. Allocated memory is still 202.4 MB. Free memory was 164.9 MB in the beginning and 120.7 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4596.38 ms. Allocated memory was 202.4 MB in the beginning and 250.1 MB in the end (delta: 47.7 MB). Free memory was 120.0 MB in the beginning and 144.9 MB in the end (delta: -24.9 MB). Peak memory consumption was 22.8 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 6 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 87 SDtfs, 119 SDslu, 181 SDs, 0 SdLazy, 472 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 21 PreInvPairs, 23 NumberOfFragments, 127 HoareAnnotationTreeSize, 21 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 11309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 3/4 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...