/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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-regression/test_overflow.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:27:58,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:27:58,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:27:58,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:27:58,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:27:58,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:27:58,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:27:58,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:27:58,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:27:58,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:27:58,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:27:58,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:27:58,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:27:58,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:27:58,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:27:58,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:27:58,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:27:58,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:27:58,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:27:58,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:27:58,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:27:58,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:27:58,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:27:58,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:27:58,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:27:58,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:27:58,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:27:58,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:27:58,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:27:58,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:27:58,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:27:58,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:27:58,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:27:58,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:27:58,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:27:58,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:27:58,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:27:58,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:27:58,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:27:58,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:27:58,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:27:58,436 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 [2019-11-07 00:27:58,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:27:58,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:27:58,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:27:58,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:27:58,473 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:27:58,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:27:58,474 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:27:58,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:27:58,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:27:58,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:27:58,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:27:58,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:27:58,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:27:58,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:27:58,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:27:58,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:27:58,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:27:58,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:27:58,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:27:58,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:27:58,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:27:58,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:27:58,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:27:58,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:27:58,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:27:58,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:27:58,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:27:58,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:27:58,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:27:58,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:27:58,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:27:58,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:27:58,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:27:58,763 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:27:58,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_overflow.i [2019-11-07 00:27:58,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c44eb5f/a81601ab3276439fb1e493bff08db811/FLAGdacfe971a [2019-11-07 00:27:59,348 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:27:59,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_overflow.i [2019-11-07 00:27:59,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c44eb5f/a81601ab3276439fb1e493bff08db811/FLAGdacfe971a [2019-11-07 00:27:59,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63c44eb5f/a81601ab3276439fb1e493bff08db811 [2019-11-07 00:27:59,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:27:59,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:27:59,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:27:59,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:27:59,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:27:59,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:27:59" (1/1) ... [2019-11-07 00:27:59,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c56e361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:27:59, skipping insertion in model container [2019-11-07 00:27:59,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:27:59" (1/1) ... [2019-11-07 00:27:59,726 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:27:59,790 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:28:00,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:28:00,322 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:28:00,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:28:00,478 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:28:00,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:28:00 WrapperNode [2019-11-07 00:28:00,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:28:00,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:28:00,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:28:00,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:28:00,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:28:00" (1/1) ... [2019-11-07 00:28:00,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:28:00" (1/1) ... [2019-11-07 00:28:00,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:28:00" (1/1) ... [2019-11-07 00:28:00,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:28:00" (1/1) ... [2019-11-07 00:28:00,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:28:00" (1/1) ... [2019-11-07 00:28:00,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:28:00" (1/1) ... [2019-11-07 00:28:00,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:28:00" (1/1) ... [2019-11-07 00:28:00,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:28:00,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:28:00,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:28:00,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:28:00,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:28:00" (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 [2019-11-07 00:28:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:28:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:28:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-11-07 00:28:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:28:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getService [2019-11-07 00:28:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:28:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 00:28:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 00:28:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 00:28:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 00:28:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 00:28:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 00:28:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 00:28:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 00:28:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 00:28:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 00:28:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 00:28:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 00:28:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 00:28:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 00:28:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 00:28:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 00:28:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 00:28:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 00:28:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 00:28:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 00:28:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 00:28:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 00:28:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 00:28:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 00:28:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 00:28:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 00:28:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 00:28:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 00:28:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 00:28:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 00:28:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 00:28:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 00:28:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 00:28:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 00:28:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 00:28:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 00:28:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 00:28:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 00:28:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 00:28:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 00:28:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 00:28:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 00:28:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 00:28:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 00:28:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 00:28:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 00:28:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 00:28:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 00:28:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 00:28:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 00:28:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:28:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 00:28:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 00:28:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:28:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 00:28:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 00:28:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 00:28:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 00:28:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 00:28:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 00:28:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 00:28:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 00:28:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 00:28:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 00:28:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-11-07 00:28:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 00:28:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 00:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 00:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 00:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 00:28:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 00:28:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 00:28:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 00:28:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 00:28:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 00:28:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 00:28:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 00:28:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 00:28:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 00:28:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 00:28:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 00:28:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 00:28:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 00:28:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 00:28:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 00:28:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 00:28:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 00:28:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 00:28:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 00:28:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 00:28:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 00:28:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 00:28:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 00:28:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 00:28:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 00:28:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 00:28:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 00:28:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 00:28:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 00:28:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure posix_openpt [2019-11-07 00:28:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 00:28:00,653 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2019-11-07 00:28:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2019-11-07 00:28:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2019-11-07 00:28:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2019-11-07 00:28:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2019-11-07 00:28:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2019-11-07 00:28:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2019-11-07 00:28:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2019-11-07 00:28:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2019-11-07 00:28:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2019-11-07 00:28:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2019-11-07 00:28:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2019-11-07 00:28:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2019-11-07 00:28:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2019-11-07 00:28:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2019-11-07 00:28:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2019-11-07 00:28:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2019-11-07 00:28:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2019-11-07 00:28:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2019-11-07 00:28:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2019-11-07 00:28:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2019-11-07 00:28:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2019-11-07 00:28:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2019-11-07 00:28:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2019-11-07 00:28:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2019-11-07 00:28:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2019-11-07 00:28:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2019-11-07 00:28:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2019-11-07 00:28:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-11-07 00:28:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2019-11-07 00:28:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2019-11-07 00:28:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2019-11-07 00:28:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2019-11-07 00:28:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2019-11-07 00:28:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2019-11-07 00:28:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2019-11-07 00:28:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2019-11-07 00:28:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2019-11-07 00:28:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:28:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-07 00:28:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2019-11-07 00:28:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2019-11-07 00:28:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2019-11-07 00:28:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-07 00:28:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2019-11-07 00:28:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2019-11-07 00:28:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2019-11-07 00:28:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2019-11-07 00:28:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2019-11-07 00:28:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-11-07 00:28:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2019-11-07 00:28:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2019-11-07 00:28:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2019-11-07 00:28:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2019-11-07 00:28:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-11-07 00:28:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2019-11-07 00:28:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2019-11-07 00:28:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2019-11-07 00:28:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2019-11-07 00:28:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2019-11-07 00:28:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2019-11-07 00:28:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2019-11-07 00:28:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2019-11-07 00:28:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2019-11-07 00:28:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2019-11-07 00:28:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2019-11-07 00:28:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2019-11-07 00:28:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2019-11-07 00:28:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2019-11-07 00:28:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2019-11-07 00:28:00,665 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2019-11-07 00:28:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2019-11-07 00:28:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2019-11-07 00:28:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 00:28:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2019-11-07 00:28:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2019-11-07 00:28:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2019-11-07 00:28:00,666 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2019-11-07 00:28:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2019-11-07 00:28:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2019-11-07 00:28:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2019-11-07 00:28:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2019-11-07 00:28:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2019-11-07 00:28:00,667 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2019-11-07 00:28:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2019-11-07 00:28:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2019-11-07 00:28:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2019-11-07 00:28:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2019-11-07 00:28:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2019-11-07 00:28:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2019-11-07 00:28:00,668 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2019-11-07 00:28:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2019-11-07 00:28:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2019-11-07 00:28:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2019-11-07 00:28:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2019-11-07 00:28:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2019-11-07 00:28:00,669 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2019-11-07 00:28:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2019-11-07 00:28:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2019-11-07 00:28:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2019-11-07 00:28:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2019-11-07 00:28:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-11-07 00:28:00,670 INFO L130 BoogieDeclarations]: Found specification of procedure getService [2019-11-07 00:28:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:28:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:28:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:28:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:28:00,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:28:01,238 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:28:01,239 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 00:28:01,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:28:01 BoogieIcfgContainer [2019-11-07 00:28:01,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:28:01,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:28:01,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:28:01,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:28:01,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:27:59" (1/3) ... [2019-11-07 00:28:01,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0f1569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:28:01, skipping insertion in model container [2019-11-07 00:28:01,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:28:00" (2/3) ... [2019-11-07 00:28:01,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0f1569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:28:01, skipping insertion in model container [2019-11-07 00:28:01,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:28:01" (3/3) ... [2019-11-07 00:28:01,250 INFO L109 eAbstractionObserver]: Analyzing ICFG test_overflow.i [2019-11-07 00:28:01,260 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:28:01,268 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:28:01,281 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:28:01,347 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:28:01,348 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:28:01,348 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:28:01,348 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:28:01,349 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:28:01,349 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:28:01,349 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:28:01,349 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:28:01,366 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-07 00:28:01,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-07 00:28:01,372 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:28:01,373 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:28:01,374 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:28:01,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:28:01,380 INFO L82 PathProgramCache]: Analyzing trace with hash -334787034, now seen corresponding path program 1 times [2019-11-07 00:28:01,390 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:28:01,390 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134078504] [2019-11-07 00:28:01,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:28:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:28:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:28:01,598 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134078504] [2019-11-07 00:28:01,599 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:28:01,599 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:28:01,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942946723] [2019-11-07 00:28:01,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:28:01,607 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:28:01,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:28:01,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:28:01,624 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-11-07 00:28:01,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:28:01,654 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2019-11-07 00:28:01,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:28:01,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-11-07 00:28:01,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:28:01,663 INFO L225 Difference]: With dead ends: 27 [2019-11-07 00:28:01,664 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 00:28:01,667 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:28:01,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 00:28:01,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 00:28:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 00:28:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 00:28:01,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-11-07 00:28:01,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:28:01,694 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 00:28:01,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:28:01,695 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 00:28:01,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 00:28:01,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 00:28:01,728 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:28:01,728 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:28:01,728 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:28:01,729 INFO L443 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1605) no Hoare annotation was computed. [2019-11-07 00:28:01,729 INFO L443 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 1603 1606) no Hoare annotation was computed. [2019-11-07 00:28:01,729 INFO L443 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 1603 1606) no Hoare annotation was computed. [2019-11-07 00:28:01,729 INFO L446 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 1603 1606) the Hoare annotation is: true [2019-11-07 00:28:01,729 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:28:01,729 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 00:28:01,730 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:28:01,730 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:28:01,730 INFO L446 ceAbstractionStarter]: At program point L1617(line 1617) the Hoare annotation is: true [2019-11-07 00:28:01,730 INFO L443 ceAbstractionStarter]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2019-11-07 00:28:01,730 INFO L439 ceAbstractionStarter]: At program point L1618-2(line 1618) the Hoare annotation is: false [2019-11-07 00:28:01,730 INFO L443 ceAbstractionStarter]: For program point L1618-3(line 1618) no Hoare annotation was computed. [2019-11-07 00:28:01,731 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 1614 1621) the Hoare annotation is: true [2019-11-07 00:28:01,731 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 1614 1621) no Hoare annotation was computed. [2019-11-07 00:28:01,731 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 1614 1621) no Hoare annotation was computed. [2019-11-07 00:28:01,731 INFO L443 ceAbstractionStarter]: For program point L1618(line 1618) no Hoare annotation was computed. [2019-11-07 00:28:01,731 INFO L443 ceAbstractionStarter]: For program point getServiceEXIT(lines 1624 1629) no Hoare annotation was computed. [2019-11-07 00:28:01,731 INFO L446 ceAbstractionStarter]: At program point getServiceENTRY(lines 1624 1629) the Hoare annotation is: true [2019-11-07 00:28:01,731 INFO L443 ceAbstractionStarter]: For program point getServiceFINAL(lines 1624 1629) no Hoare annotation was computed. [2019-11-07 00:28:01,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:28:01 BoogieIcfgContainer [2019-11-07 00:28:01,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 00:28:01,738 INFO L168 Benchmark]: Toolchain (without parser) took 2033.26 ms. Allocated memory was 137.9 MB in the beginning and 234.4 MB in the end (delta: 96.5 MB). Free memory was 99.9 MB in the beginning and 183.2 MB in the end (delta: -83.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2019-11-07 00:28:01,739 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 00:28:01,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.02 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.7 MB in the beginning and 151.9 MB in the end (delta: -52.2 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-11-07 00:28:01,741 INFO L168 Benchmark]: Boogie Preprocessor took 70.74 ms. Allocated memory is still 202.4 MB. Free memory was 151.9 MB in the beginning and 148.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-11-07 00:28:01,742 INFO L168 Benchmark]: RCFGBuilder took 690.56 ms. Allocated memory is still 202.4 MB. Free memory was 148.5 MB in the beginning and 91.9 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 7.1 GB. [2019-11-07 00:28:01,743 INFO L168 Benchmark]: TraceAbstraction took 493.13 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 91.2 MB in the beginning and 183.2 MB in the end (delta: -92.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 00:28:01,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.02 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.7 MB in the beginning and 151.9 MB in the end (delta: -52.2 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.74 ms. Allocated memory is still 202.4 MB. Free memory was 151.9 MB in the beginning and 148.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 690.56 ms. Allocated memory is still 202.4 MB. Free memory was 148.5 MB in the beginning and 91.9 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 493.13 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 91.2 MB in the beginning and 183.2 MB in the end (delta: -92.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1605]: 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 5 procedures, 22 locations, 1 error locations. Result: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 8 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 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 proved your program to be correct! Received shutdown request...