java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_malloc-2_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 21:49:59,756 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 21:49:59,758 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 21:49:59,773 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 21:49:59,773 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 21:49:59,775 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 21:49:59,776 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 21:49:59,778 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 21:49:59,780 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 21:49:59,781 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 21:49:59,782 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 21:49:59,782 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 21:49:59,783 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 21:49:59,784 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 21:49:59,785 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 21:49:59,786 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 21:49:59,787 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 21:49:59,789 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 21:49:59,791 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 21:49:59,792 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 21:49:59,793 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 21:49:59,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 21:49:59,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 21:49:59,797 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 21:49:59,798 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 21:49:59,799 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 21:49:59,800 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 21:49:59,801 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 21:49:59,801 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 21:49:59,806 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 21:49:59,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 21:49:59,809 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 21:49:59,809 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 21:49:59,809 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 21:49:59,810 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 21:49:59,811 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 21:49:59,811 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 21:49:59,841 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 21:49:59,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 21:49:59,842 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 21:49:59,843 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 21:49:59,843 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 21:49:59,843 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 21:49:59,844 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 21:49:59,845 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 21:49:59,845 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 21:49:59,845 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 21:49:59,845 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 21:49:59,846 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 21:49:59,846 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 21:49:59,846 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 21:49:59,846 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 21:49:59,846 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 21:49:59,846 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 21:49:59,847 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 21:49:59,847 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 21:49:59,847 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 21:49:59,847 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 21:49:59,847 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 21:49:59,849 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 21:49:59,849 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 21:49:59,849 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 21:49:59,850 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 21:49:59,850 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 21:49:59,850 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 21:49:59,850 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 21:49:59,850 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 21:49:59,850 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 21:49:59,851 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 21:49:59,851 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 21:49:59,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 21:49:59,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 21:49:59,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 21:49:59,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 21:49:59,931 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 21:49:59,931 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_malloc-2_true-unreach-call_true-termination.i [2018-11-18 21:49:59,992 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3bb13fc/5e3a20d66f804486a236585fc1ef914c/FLAG6ed87ea78 [2018-11-18 21:50:00,545 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 21:50:00,546 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_malloc-2_true-unreach-call_true-termination.i [2018-11-18 21:50:00,559 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3bb13fc/5e3a20d66f804486a236585fc1ef914c/FLAG6ed87ea78 [2018-11-18 21:50:00,860 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3bb13fc/5e3a20d66f804486a236585fc1ef914c [2018-11-18 21:50:00,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 21:50:00,871 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 21:50:00,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 21:50:00,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 21:50:00,876 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 21:50:00,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:50:00" (1/1) ... [2018-11-18 21:50:00,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382eaf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:00, skipping insertion in model container [2018-11-18 21:50:00,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:50:00" (1/1) ... [2018-11-18 21:50:00,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 21:50:00,943 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 21:50:01,307 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 21:50:01,314 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 21:50:01,400 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 21:50:01,475 INFO L195 MainTranslator]: Completed translation [2018-11-18 21:50:01,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:01 WrapperNode [2018-11-18 21:50:01,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 21:50:01,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 21:50:01,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 21:50:01,477 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 21:50:01,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:01" (1/1) ... [2018-11-18 21:50:01,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:01" (1/1) ... [2018-11-18 21:50:01,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:01" (1/1) ... [2018-11-18 21:50:01,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:01" (1/1) ... [2018-11-18 21:50:01,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:01" (1/1) ... [2018-11-18 21:50:01,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:01" (1/1) ... [2018-11-18 21:50:01,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:01" (1/1) ... [2018-11-18 21:50:01,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 21:50:01,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 21:50:01,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 21:50:01,616 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 21:50:01,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:01" (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 [2018-11-18 21:50:01,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 21:50:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 21:50:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 21:50:01,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 21:50:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 21:50:01,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 21:50:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 21:50:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2018-11-18 21:50:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2018-11-18 21:50:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2018-11-18 21:50:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2018-11-18 21:50:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2018-11-18 21:50:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2018-11-18 21:50:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2018-11-18 21:50:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2018-11-18 21:50:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2018-11-18 21:50:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2018-11-18 21:50:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2018-11-18 21:50:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2018-11-18 21:50:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2018-11-18 21:50:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2018-11-18 21:50:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2018-11-18 21:50:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2018-11-18 21:50:01,682 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2018-11-18 21:50:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2018-11-18 21:50:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2018-11-18 21:50:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2018-11-18 21:50:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2018-11-18 21:50:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2018-11-18 21:50:01,683 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2018-11-18 21:50:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2018-11-18 21:50:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2018-11-18 21:50:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2018-11-18 21:50:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2018-11-18 21:50:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2018-11-18 21:50:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2018-11-18 21:50:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2018-11-18 21:50:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-18 21:50:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2018-11-18 21:50:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2018-11-18 21:50:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2018-11-18 21:50:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2018-11-18 21:50:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2018-11-18 21:50:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2018-11-18 21:50:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2018-11-18 21:50:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2018-11-18 21:50:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2018-11-18 21:50:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 21:50:01,686 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2018-11-18 21:50:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2018-11-18 21:50:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2018-11-18 21:50:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2018-11-18 21:50:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2018-11-18 21:50:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2018-11-18 21:50:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2018-11-18 21:50:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2018-11-18 21:50:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2018-11-18 21:50:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2018-11-18 21:50:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2018-11-18 21:50:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2018-11-18 21:50:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2018-11-18 21:50:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2018-11-18 21:50:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2018-11-18 21:50:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2018-11-18 21:50:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2018-11-18 21:50:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2018-11-18 21:50:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2018-11-18 21:50:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2018-11-18 21:50:01,689 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2018-11-18 21:50:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2018-11-18 21:50:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2018-11-18 21:50:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2018-11-18 21:50:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2018-11-18 21:50:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2018-11-18 21:50:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2018-11-18 21:50:01,690 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2018-11-18 21:50:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2018-11-18 21:50:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2018-11-18 21:50:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2018-11-18 21:50:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2018-11-18 21:50:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2018-11-18 21:50:01,691 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2018-11-18 21:50:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-18 21:50:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2018-11-18 21:50:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2018-11-18 21:50:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2018-11-18 21:50:01,692 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2018-11-18 21:50:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2018-11-18 21:50:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2018-11-18 21:50:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2018-11-18 21:50:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2018-11-18 21:50:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2018-11-18 21:50:01,693 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2018-11-18 21:50:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2018-11-18 21:50:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2018-11-18 21:50:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2018-11-18 21:50:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2018-11-18 21:50:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2018-11-18 21:50:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2018-11-18 21:50:01,694 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2018-11-18 21:50:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2018-11-18 21:50:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2018-11-18 21:50:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2018-11-18 21:50:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2018-11-18 21:50:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2018-11-18 21:50:01,695 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2018-11-18 21:50:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2018-11-18 21:50:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2018-11-18 21:50:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2018-11-18 21:50:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2018-11-18 21:50:01,696 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 21:50:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2018-11-18 21:50:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2018-11-18 21:50:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 21:50:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2018-11-18 21:50:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2018-11-18 21:50:01,697 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2018-11-18 21:50:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2018-11-18 21:50:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2018-11-18 21:50:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2018-11-18 21:50:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2018-11-18 21:50:01,698 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2018-11-18 21:50:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2018-11-18 21:50:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2018-11-18 21:50:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2018-11-18 21:50:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2018-11-18 21:50:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2018-11-18 21:50:01,699 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2018-11-18 21:50:01,700 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 21:50:01,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 21:50:01,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 21:50:01,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 21:50:01,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 21:50:02,427 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 21:50:02,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:50:02 BoogieIcfgContainer [2018-11-18 21:50:02,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 21:50:02,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 21:50:02,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 21:50:02,432 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 21:50:02,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:50:00" (1/3) ... [2018-11-18 21:50:02,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ed5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:50:02, skipping insertion in model container [2018-11-18 21:50:02,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:01" (2/3) ... [2018-11-18 21:50:02,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ed5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:50:02, skipping insertion in model container [2018-11-18 21:50:02,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:50:02" (3/3) ... [2018-11-18 21:50:02,436 INFO L112 eAbstractionObserver]: Analyzing ICFG test_malloc-2_true-unreach-call_true-termination.i [2018-11-18 21:50:02,446 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 21:50:02,457 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 21:50:02,475 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 21:50:02,508 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 21:50:02,509 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 21:50:02,510 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 21:50:02,510 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 21:50:02,510 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 21:50:02,510 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 21:50:02,511 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 21:50:02,511 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 21:50:02,511 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 21:50:02,534 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-18 21:50:02,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 21:50:02,541 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 21:50:02,542 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 21:50:02,544 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 21:50:02,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 21:50:02,552 INFO L82 PathProgramCache]: Analyzing trace with hash -777284632, now seen corresponding path program 1 times [2018-11-18 21:50:02,557 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 21:50:02,558 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 21:50:02,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 21:50:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:50:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 21:50:02,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 21:50:02,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-18 21:50:02,779 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-18 21:50:02,784 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 21:50:02,784 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:8, output treesize:4 [2018-11-18 21:50:03,104 INFO L256 TraceCheckUtils]: 0: Hoare triple {22#true} call ULTIMATE.init(); {22#true} is VALID [2018-11-18 21:50:03,109 INFO L273 TraceCheckUtils]: 1: Hoare triple {22#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];~CURRENTLY_UNSAFE~0 := 0bv32; {22#true} is VALID [2018-11-18 21:50:03,109 INFO L273 TraceCheckUtils]: 2: Hoare triple {22#true} assume true; {22#true} is VALID [2018-11-18 21:50:03,110 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {22#true} {22#true} #29#return; {22#true} is VALID [2018-11-18 21:50:03,110 INFO L256 TraceCheckUtils]: 4: Hoare triple {22#true} call #t~ret28 := main(); {22#true} is VALID [2018-11-18 21:50:03,124 INFO L273 TraceCheckUtils]: 5: Hoare triple {22#true} call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(4bv32);call ~#b~0.base, ~#b~0.offset := #Ultimate.alloc(4bv32);~p1~0.base, ~p1~0.offset := ~#a~0.base, ~#a~0.offset;~p2~0.base, ~p2~0.offset := ~#b~0.base, ~#b~0.offset; {42#(not (= main_~p1~0.base main_~p2~0.base))} is VALID [2018-11-18 21:50:03,133 INFO L273 TraceCheckUtils]: 6: Hoare triple {42#(not (= main_~p1~0.base main_~p2~0.base))} assume (~p1~0.base != 0bv32 || ~p1~0.offset != 0bv32) && (~p2~0.base != 0bv32 || ~p2~0.offset != 0bv32); {42#(not (= main_~p1~0.base main_~p2~0.base))} is VALID [2018-11-18 21:50:03,143 INFO L256 TraceCheckUtils]: 7: Hoare triple {42#(not (= main_~p1~0.base main_~p2~0.base))} call __VERIFIER_assert((if ~p1~0.base != ~p2~0.base || ~p1~0.offset != ~p2~0.offset then 1bv32 else 0bv32)); {49#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 21:50:03,145 INFO L273 TraceCheckUtils]: 8: Hoare triple {49#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {53#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 21:50:03,146 INFO L273 TraceCheckUtils]: 9: Hoare triple {53#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {23#false} is VALID [2018-11-18 21:50:03,146 INFO L273 TraceCheckUtils]: 10: Hoare triple {23#false} assume !false; {23#false} is VALID [2018-11-18 21:50:03,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 21:50:03,149 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 21:50:03,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 21:50:03,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 21:50:03,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-18 21:50:03,169 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 21:50:03,172 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 21:50:03,248 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:50:03,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 21:50:03,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 21:50:03,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 21:50:03,259 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 5 states. [2018-11-18 21:50:03,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:50:03,808 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-11-18 21:50:03,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 21:50:03,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-11-18 21:50:03,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 21:50:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 21:50:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2018-11-18 21:50:03,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 21:50:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2018-11-18 21:50:03,830 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 26 transitions. [2018-11-18 21:50:04,071 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 21:50:04,078 INFO L225 Difference]: With dead ends: 26 [2018-11-18 21:50:04,079 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 21:50:04,082 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 21:50:04,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 21:50:04,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 21:50:04,104 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 21:50:04,104 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-18 21:50:04,105 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-18 21:50:04,105 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-18 21:50:04,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:50:04,106 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 21:50:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 21:50:04,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:50:04,106 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:50:04,107 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-18 21:50:04,107 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-18 21:50:04,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 21:50:04,107 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 21:50:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 21:50:04,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:50:04,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 21:50:04,108 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 21:50:04,108 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 21:50:04,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 21:50:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 21:50:04,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-11-18 21:50:04,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 21:50:04,110 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 21:50:04,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 21:50:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 21:50:04,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 21:50:04,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 21:50:04,283 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 21:50:04,283 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 21:50:04,284 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 21:50:04,284 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 21:50:04,284 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 21:50:04,284 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 21:50:04,284 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 21:50:04,284 INFO L425 ceAbstractionStarter]: For program point L434-1(lines 434 436) no Hoare annotation was computed. [2018-11-18 21:50:04,284 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 430 438) the Hoare annotation is: true [2018-11-18 21:50:04,284 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 430 438) no Hoare annotation was computed. [2018-11-18 21:50:04,285 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 430 438) no Hoare annotation was computed. [2018-11-18 21:50:04,285 INFO L421 ceAbstractionStarter]: At program point L435(line 435) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2018-11-18 21:50:04,285 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 436) no Hoare annotation was computed. [2018-11-18 21:50:04,285 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-18 21:50:04,285 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-18 21:50:04,286 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-18 21:50:04,286 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-18 21:50:04,286 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-18 21:50:04,286 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-18 21:50:04,288 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 21:50:04,288 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2018-11-18 21:50:04,288 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 21:50:04,288 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-18 21:50:04,288 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 21:50:04,289 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2018-11-18 21:50:04,289 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2018-11-18 21:50:04,289 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 21:50:04,289 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 21:50:04,289 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 21:50:04,290 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 21:50:04,290 WARN L170 areAnnotationChecker]: L434-1 has no Hoare annotation [2018-11-18 21:50:04,290 WARN L170 areAnnotationChecker]: L434-1 has no Hoare annotation [2018-11-18 21:50:04,290 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-18 21:50:04,290 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-18 21:50:04,291 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-18 21:50:04,291 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 21:50:04,291 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-18 21:50:04,291 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 21:50:04,291 INFO L163 areAnnotationChecker]: CFG has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-18 21:50:04,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:50:04 BoogieIcfgContainer [2018-11-18 21:50:04,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 21:50:04,295 INFO L168 Benchmark]: Toolchain (without parser) took 3424.59 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -664.7 MB). Peak memory consumption was 57.2 MB. Max. memory is 7.1 GB. [2018-11-18 21:50:04,297 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-18 21:50:04,298 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-11-18 21:50:04,299 INFO L168 Benchmark]: Boogie Preprocessor took 139.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2018-11-18 21:50:04,305 INFO L168 Benchmark]: RCFGBuilder took 811.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2018-11-18 21:50:04,306 INFO L168 Benchmark]: TraceAbstraction took 1864.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. [2018-11-18 21:50:04,310 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 603.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 721.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -808.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 811.97 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1864.98 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 63.9 MB). Peak memory consumption was 63.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 4 procedures, 19 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 8 SDslu, 30 SDs, 0 SdLazy, 13 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 9 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 4 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...