/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/fo_test.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:10:06,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:10:06,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:10:06,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:10:06,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:10:06,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:10:06,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:10:06,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:10:06,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:10:06,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:10:06,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:10:06,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:10:06,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:10:06,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:10:06,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:10:06,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:10:06,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:10:06,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:10:06,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:10:06,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:10:06,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:10:06,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:10:06,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:10:06,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:10:06,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:10:06,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:10:06,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:10:06,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:10:06,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:10:06,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:10:06,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:10:06,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:10:06,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:10:06,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:10:06,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:10:06,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:10:06,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:10:06,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:10:06,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:10:06,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:10:06,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:10:06,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:10:06,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:10:06,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:10:06,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:10:06,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:10:06,592 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:10:06,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:10:06,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:10:06,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:10:06,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:10:06,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:10:06,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:10:06,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:10:06,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:10:06,596 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:10:06,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:10:06,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:10:06,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:10:06,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:10:06,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:10:06,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:10:06,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:10:06,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:10:06,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:10:06,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:10:06,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:10:06,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:10:06,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:10:06,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:10:06,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:10:06,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:10:06,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:10:06,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:10:06,896 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:10:06,896 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:10:06,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/fo_test.i [2019-11-06 21:10:06,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6d029b0/b9627d8cfc1a48519d18833ffe8d06aa/FLAGc404daf5c [2019-11-06 21:10:07,517 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:10:07,517 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/fo_test.i [2019-11-06 21:10:07,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6d029b0/b9627d8cfc1a48519d18833ffe8d06aa/FLAGc404daf5c [2019-11-06 21:10:07,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6d029b0/b9627d8cfc1a48519d18833ffe8d06aa [2019-11-06 21:10:07,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:10:07,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:10:07,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:10:07,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:10:07,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:10:07,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:10:07" (1/1) ... [2019-11-06 21:10:07,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a1026ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:07, skipping insertion in model container [2019-11-06 21:10:07,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:10:07" (1/1) ... [2019-11-06 21:10:07,813 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:10:07,860 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:10:08,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:10:08,300 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:10:08,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:10:08,452 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:10:08,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:08 WrapperNode [2019-11-06 21:10:08,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:10:08,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:10:08,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:10:08,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:10:08,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:08" (1/1) ... [2019-11-06 21:10:08,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:08" (1/1) ... [2019-11-06 21:10:08,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:08" (1/1) ... [2019-11-06 21:10:08,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:08" (1/1) ... [2019-11-06 21:10:08,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:08" (1/1) ... [2019-11-06 21:10:08,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:08" (1/1) ... [2019-11-06 21:10:08,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:08" (1/1) ... [2019-11-06 21:10:08,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:10:08,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:10:08,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:10:08,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:10:08,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:08" (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 [2019-11-06 21:10:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:10:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:10:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-11-06 21:10:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure open [2019-11-06 21:10:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:10:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2019-11-06 21:10:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2019-11-06 21:10:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:10:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-06 21:10:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-06 21:10:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-06 21:10:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-06 21:10:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-06 21:10:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-06 21:10:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-06 21:10:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-06 21:10:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-06 21:10:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-06 21:10:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-06 21:10:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-06 21:10:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-06 21:10:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-06 21:10:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-06 21:10:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-06 21:10:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-06 21:10:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-06 21:10:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-06 21:10:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-06 21:10:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-06 21:10:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-06 21:10:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-06 21:10:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-06 21:10:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-06 21:10:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-06 21:10:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-06 21:10:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-06 21:10:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-06 21:10:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-06 21:10:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-06 21:10:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-06 21:10:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-06 21:10:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-06 21:10:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-06 21:10:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-06 21:10:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-06 21:10:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-06 21:10:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-06 21:10:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-06 21:10:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-06 21:10:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-06 21:10:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-06 21:10:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-06 21:10:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-06 21:10:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-06 21:10:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-06 21:10:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-06 21:10:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-06 21:10:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-06 21:10:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:10:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 21:10:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-06 21:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-06 21:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-06 21:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-06 21:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-06 21:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-06 21:10:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-06 21:10:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-06 21:10:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 21:10:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-06 21:10:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-06 21:10:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-11-06 21:10:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-06 21:10:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-06 21:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-06 21:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-06 21:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-06 21:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-06 21:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-06 21:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-06 21:10:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-06 21:10:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-06 21:10:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-06 21:10:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-06 21:10:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-06 21:10:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-06 21:10:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-06 21:10:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-06 21:10:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-06 21:10:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-06 21:10:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-06 21:10:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-06 21:10:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-06 21:10:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-06 21:10:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-06 21:10:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-06 21:10:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-06 21:10:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-06 21:10:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-06 21:10:08,600 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-06 21:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-06 21:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-06 21:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-06 21:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-06 21:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-06 21:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-06 21:10:08,601 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2019-11-06 21:10:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-06 21:10:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-11-06 21:10:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2019-11-06 21:10:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure fstat [2019-11-06 21:10:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure fstatat [2019-11-06 21:10:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure lstat [2019-11-06 21:10:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure chmod [2019-11-06 21:10:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure lchmod [2019-11-06 21:10:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure fchmod [2019-11-06 21:10:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure fchmodat [2019-11-06 21:10:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure umask [2019-11-06 21:10:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure mkdir [2019-11-06 21:10:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure mkdirat [2019-11-06 21:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure mknod [2019-11-06 21:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure mknodat [2019-11-06 21:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifo [2019-11-06 21:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure mkfifoat [2019-11-06 21:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure utimensat [2019-11-06 21:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure futimens [2019-11-06 21:10:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstat [2019-11-06 21:10:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure __xstat [2019-11-06 21:10:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure __lxstat [2019-11-06 21:10:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure __fxstatat [2019-11-06 21:10:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknod [2019-11-06 21:10:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure __xmknodat [2019-11-06 21:10:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure fcntl [2019-11-06 21:10:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure open [2019-11-06 21:10:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure openat [2019-11-06 21:10:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure openat64 [2019-11-06 21:10:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure creat [2019-11-06 21:10:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2019-11-06 21:10:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fadvise [2019-11-06 21:10:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure posix_fallocate [2019-11-06 21:10:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-06 21:10:08,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:10:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2019-11-06 21:10:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2019-11-06 21:10:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:10:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:10:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:10:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:10:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:10:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:10:09,103 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:10:09,104 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:10:09,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:10:09 BoogieIcfgContainer [2019-11-06 21:10:09,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:10:09,106 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:10:09,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:10:09,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:10:09,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:10:07" (1/3) ... [2019-11-06 21:10:09,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429771dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:10:09, skipping insertion in model container [2019-11-06 21:10:09,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:10:08" (2/3) ... [2019-11-06 21:10:09,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429771dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:10:09, skipping insertion in model container [2019-11-06 21:10:09,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:10:09" (3/3) ... [2019-11-06 21:10:09,115 INFO L109 eAbstractionObserver]: Analyzing ICFG fo_test.i [2019-11-06 21:10:09,126 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:10:09,132 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:10:09,143 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:10:09,172 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:10:09,172 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:10:09,172 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:10:09,172 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:10:09,173 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:10:09,173 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:10:09,173 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:10:09,173 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:10:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-11-06 21:10:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-06 21:10:09,195 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:10:09,196 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:10:09,197 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:10:09,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:10:09,202 INFO L82 PathProgramCache]: Analyzing trace with hash -722045737, now seen corresponding path program 1 times [2019-11-06 21:10:09,210 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:10:09,210 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105430401] [2019-11-06 21:10:09,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:10:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:10:09,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:10:09,492 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105430401] [2019-11-06 21:10:09,493 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:10:09,494 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 21:10:09,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8773116] [2019-11-06 21:10:09,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 21:10:09,503 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:10:09,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 21:10:09,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 21:10:09,521 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 5 states. [2019-11-06 21:10:09,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:10:09,719 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2019-11-06 21:10:09,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 21:10:09,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-11-06 21:10:09,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:10:09,736 INFO L225 Difference]: With dead ends: 50 [2019-11-06 21:10:09,737 INFO L226 Difference]: Without dead ends: 19 [2019-11-06 21:10:09,744 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 21:10:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-06 21:10:09,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-11-06 21:10:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-06 21:10:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-11-06 21:10:09,811 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 18 [2019-11-06 21:10:09,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:10:09,812 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-11-06 21:10:09,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 21:10:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-11-06 21:10:09,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-06 21:10:09,814 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:10:09,814 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:10:09,815 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:10:09,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:10:09,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1115072747, now seen corresponding path program 1 times [2019-11-06 21:10:09,816 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:10:09,816 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391786417] [2019-11-06 21:10:09,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:10:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-06 21:10:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-06 21:10:09,953 INFO L172 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-06 21:10:09,953 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-06 21:10:09,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:10:09 BoogieIcfgContainer [2019-11-06 21:10:09,991 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:10:09,994 INFO L168 Benchmark]: Toolchain (without parser) took 2196.26 ms. Allocated memory was 138.9 MB in the beginning and 236.5 MB in the end (delta: 97.5 MB). Free memory was 102.9 MB in the beginning and 184.3 MB in the end (delta: -81.5 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:09,995 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 21:10:09,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.15 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 166.4 MB in the end (delta: -63.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:09,997 INFO L168 Benchmark]: Boogie Preprocessor took 60.59 ms. Allocated memory is still 202.9 MB. Free memory was 166.4 MB in the beginning and 163.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:09,998 INFO L168 Benchmark]: RCFGBuilder took 590.66 ms. Allocated memory is still 202.9 MB. Free memory was 163.8 MB in the beginning and 118.8 MB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB. [2019-11-06 21:10:09,999 INFO L168 Benchmark]: TraceAbstraction took 885.18 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 118.1 MB in the beginning and 184.3 MB in the end (delta: -66.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-06 21:10:10,004 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.15 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 166.4 MB in the end (delta: -63.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 60.59 ms. Allocated memory is still 202.9 MB. Free memory was 166.4 MB in the beginning and 163.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 590.66 ms. Allocated memory is still 202.9 MB. Free memory was 163.8 MB in the beginning and 118.8 MB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 885.18 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 118.1 MB in the beginning and 184.3 MB in the end (delta: -66.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 960]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1158. Possible FailurePath: [L1152] int globalState = 0; [L1158] CALL, EXPR l_open("unknown",00) VAL [\old(flags)=0, \old(globalState)=0, file={-1:0}, globalState=0] [L1170] int fd = open(file,flags); VAL [\old(flags)=0, \old(globalState)=0, fd=0, file={-1:0}, file={-1:0}, flags=0, globalState=0, open(file,flags)=0] [L1171] COND FALSE !(fd>0) VAL [\old(flags)=0, \old(globalState)=0, fd=0, file={-1:0}, file={-1:0}, flags=0, globalState=0, open(file,flags)=0] [L1172] return fd; VAL [\old(flags)=0, \old(globalState)=0, \result=0, fd=0, file={-1:0}, file={-1:0}, flags=0, globalState=0, open(file,flags)=0] [L1158] RET, EXPR l_open("unknown",00) VAL [\old(argc)=108, \old(globalState)=0, argc=108, argv={105:103}, argv={105:103}, globalState=0, l_open("unknown",00)=0] [L1158] int file = l_open("unknown",00); [L1159] void* cbuf = (void*) malloc(sizeof(char)*100); VAL [\old(argc)=108, \old(globalState)=0, argc=108, argv={105:103}, argv={105:103}, cbuf={1:0}, file=0, globalState=0, malloc(sizeof(char)*100)={1:0}] [L1160] CALL l_read(file,cbuf,99) VAL [\old(count)=99, \old(fd)=0, \old(globalState)=0, cbuf={1:0}, globalState=0] [L1165] (globalState == 1) ? (0) : __blast_assert () VAL [\old(count)=99, \old(fd)=0, \old(globalState)=0, cbuf={1:0}, cbuf={1:0}, count=99, fd=0, globalState=0] [L1165] CALL __blast_assert () VAL [\old(globalState)=0, globalState=0] [L960] __VERIFIER_error() VAL [\old(globalState)=0, globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 32 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 22 SDslu, 15 SDs, 0 SdLazy, 42 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 918 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...