/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.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:23:31,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:23:31,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:23:31,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:23:31,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:23:31,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:23:31,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:23:31,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:23:31,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:23:31,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:23:31,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:23:31,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:23:31,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:23:31,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:23:31,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:23:31,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:23:31,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:23:31,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:23:31,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:23:31,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:23:31,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:23:31,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:23:31,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:23:31,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:23:31,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:23:31,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:23:31,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:23:31,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:23:31,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:23:31,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:23:31,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:23:31,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:23:31,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:23:31,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:23:31,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:23:31,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:23:31,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:23:31,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:23:31,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:23:31,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:23:31,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:23:31,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:23:31,745 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:23:31,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:23:31,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:23:31,746 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:23:31,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:23:31,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:23:31,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:23:31,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:23:31,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:23:31,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:23:31,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:23:31,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:23:31,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:23:31,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:23:31,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:23:31,749 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:23:31,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:23:31,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:23:31,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:23:31,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:23:31,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:23:31,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:23:31,750 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:23:32,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:23:32,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:23:32,043 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:23:32,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:23:32,045 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:23:32,046 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-07-07 15:23:32,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/305dbd5a6/f9a2e6ed17a14c949b2c87994561bfcc/FLAG3694a616c [2020-07-07 15:23:32,588 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:23:32,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule60_list2.i [2020-07-07 15:23:32,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/305dbd5a6/f9a2e6ed17a14c949b2c87994561bfcc/FLAG3694a616c [2020-07-07 15:23:32,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/305dbd5a6/f9a2e6ed17a14c949b2c87994561bfcc [2020-07-07 15:23:32,876 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:23:32,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:23:32,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:23:32,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:23:32,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:23:32,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:23:32" (1/1) ... [2020-07-07 15:23:32,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6421c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:32, skipping insertion in model container [2020-07-07 15:23:32,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:23:32" (1/1) ... [2020-07-07 15:23:32,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:23:32,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:23:33,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:23:33,340 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:23:33,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:23:33,449 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:23:33,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:33 WrapperNode [2020-07-07 15:23:33,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:23:33,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:23:33,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:23:33,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:23:33,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:33" (1/1) ... [2020-07-07 15:23:33,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:33" (1/1) ... [2020-07-07 15:23:33,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:33" (1/1) ... [2020-07-07 15:23:33,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:33" (1/1) ... [2020-07-07 15:23:33,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:33" (1/1) ... [2020-07-07 15:23:33,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:33" (1/1) ... [2020-07-07 15:23:33,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:33" (1/1) ... [2020-07-07 15:23:33,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:23:33,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:23:33,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:23:33,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:23:33,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-07 15:23:33,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:23:33,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:23:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-07 15:23:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __getMemory [2020-07-07 15:23:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2020-07-07 15:23:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-07-07 15:23:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-07-07 15:23:33,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:23:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:23:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-07 15:23:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-07-07 15:23:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-07-07 15:23:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-07-07 15:23:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-07-07 15:23:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-07-07 15:23:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-07-07 15:23:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-07-07 15:23:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-07-07 15:23:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-07-07 15:23:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-07-07 15:23:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-07-07 15:23:33,584 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-07-07 15:23:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-07-07 15:23:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-07-07 15:23:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-07-07 15:23:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-07-07 15:23:33,586 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-07-07 15:23:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-07-07 15:23:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-07-07 15:23:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-07-07 15:23:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-07-07 15:23:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-07-07 15:23:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-07-07 15:23:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-07-07 15:23:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-07-07 15:23:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-07-07 15:23:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-07-07 15:23:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-07-07 15:23:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-07-07 15:23:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-07-07 15:23:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-07-07 15:23:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-07-07 15:23:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-07-07 15:23:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-07-07 15:23:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-07-07 15:23:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-07-07 15:23:33,591 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-07-07 15:23:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-07-07 15:23:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 15:23:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-07-07 15:23:33,592 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-07-07 15:23:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-07-07 15:23:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-07-07 15:23:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-07-07 15:23:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-07-07 15:23:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-07-07 15:23:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-07-07 15:23:33,593 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-07-07 15:23:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-07-07 15:23:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-07-07 15:23:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-07-07 15:23:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-07-07 15:23:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-07-07 15:23:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-07-07 15:23:33,594 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-07-07 15:23:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-07-07 15:23:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-07-07 15:23:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-07-07 15:23:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-07-07 15:23:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-07-07 15:23:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-07-07 15:23:33,595 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-07-07 15:23:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-07-07 15:23:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-07-07 15:23:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-07-07 15:23:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-07-07 15:23:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-07-07 15:23:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-07-07 15:23:33,596 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-07-07 15:23:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-07-07 15:23:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-07-07 15:23:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-07-07 15:23:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-07-07 15:23:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-07-07 15:23:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-07-07 15:23:33,597 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-07-07 15:23:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-07-07 15:23:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-07-07 15:23:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-07-07 15:23:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-07-07 15:23:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-07-07 15:23:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-07-07 15:23:33,598 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-07-07 15:23:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-07-07 15:23:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-07-07 15:23:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-07-07 15:23:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-07-07 15:23:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-07-07 15:23:33,599 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-07-07 15:23:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-07-07 15:23:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-07-07 15:23:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-07-07 15:23:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-07-07 15:23:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-07-07 15:23:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-07-07 15:23:33,600 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-07-07 15:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-07-07 15:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-07-07 15:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-07-07 15:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-07-07 15:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-07-07 15:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 15:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-07 15:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-07 15:23:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 15:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-07 15:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-07-07 15:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-07 15:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-07-07 15:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-07-07 15:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-07-07 15:23:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-07-07 15:23:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-07-07 15:23:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-07-07 15:23:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-07-07 15:23:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-07-07 15:23:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-07-07 15:23:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-07-07 15:23:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-07-07 15:23:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:23:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure __getMemory [2020-07-07 15:23:33,605 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2020-07-07 15:23:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-07-07 15:23:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-07-07 15:23:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:23:33,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:23:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 15:23:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-07 15:23:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:23:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 15:23:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 15:23:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 15:23:34,133 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:23:34,133 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 15:23:34,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:23:34 BoogieIcfgContainer [2020-07-07 15:23:34,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:23:34,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:23:34,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:23:34,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:23:34,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:23:32" (1/3) ... [2020-07-07 15:23:34,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f48308d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:23:34, skipping insertion in model container [2020-07-07 15:23:34,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:33" (2/3) ... [2020-07-07 15:23:34,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f48308d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:23:34, skipping insertion in model container [2020-07-07 15:23:34,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:23:34" (3/3) ... [2020-07-07 15:23:34,162 INFO L109 eAbstractionObserver]: Analyzing ICFG rule60_list2.i [2020-07-07 15:23:34,173 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:23:34,182 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:23:34,198 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:23:34,223 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:23:34,223 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:23:34,223 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:23:34,224 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:23:34,224 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:23:34,224 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:23:34,224 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:23:34,224 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:23:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2020-07-07 15:23:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-07 15:23:34,269 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:23:34,270 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] [2020-07-07 15:23:34,270 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:23:34,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:23:34,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1653885127, now seen corresponding path program 1 times [2020-07-07 15:23:34,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:23:34,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983379819] [2020-07-07 15:23:34,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:23:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:23:34,333 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:23:34,334 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:23:34,340 INFO L168 Benchmark]: Toolchain (without parser) took 1461.93 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 103.7 MB in the beginning and 109.1 MB in the end (delta: -5.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:34,341 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 15:23:34,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 571.53 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 103.3 MB in the beginning and 170.4 MB in the end (delta: -67.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:34,343 INFO L168 Benchmark]: Boogie Preprocessor took 55.28 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 167.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:34,344 INFO L168 Benchmark]: RCFGBuilder took 636.81 ms. Allocated memory is still 204.5 MB. Free memory was 167.0 MB in the beginning and 119.9 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:34,345 INFO L168 Benchmark]: TraceAbstraction took 191.91 ms. Allocated memory is still 204.5 MB. Free memory was 119.9 MB in the beginning and 109.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:34,350 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 139.5 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 571.53 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 103.3 MB in the beginning and 170.4 MB in the end (delta: -67.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.28 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 167.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 636.81 ms. Allocated memory is still 204.5 MB. Free memory was 167.0 MB in the beginning and 119.9 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 191.91 ms. Allocated memory is still 204.5 MB. Free memory was 119.9 MB in the beginning and 109.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...