/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_malloc-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:58:13,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:58:13,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:58:13,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 01:58:13,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 01:58:13,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 01:58:13,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 01:58:13,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 01:58:13,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 01:58:13,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 01:58:13,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 01:58:13,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 01:58:13,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:58:13,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:58:13,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:58:13,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:58:13,202 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:58:13,215 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:58:13,217 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:58:13,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:58:13,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:58:13,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:58:13,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:58:13,229 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:58:13,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 01:58:13,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 01:58:13,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 01:58:13,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 01:58:13,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 01:58:13,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 01:58:13,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 01:58:13,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 01:58:13,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 01:58:13,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 01:58:13,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 01:58:13,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 01:58:13,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 01:58:13,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 01:58:13,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:58:13,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:58:13,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:58:13,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:58:13,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:58:13,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:58:13,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:58:13,266 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:58:13,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:58:13,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:58:13,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:58:13,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:58:13,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:58:13,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:58:13,268 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:58:13,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:58:13,269 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:58:13,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:58:13,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:58:13,270 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:58:13,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:58:13,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:58:13,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:58:13,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:58:13,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:58:13,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:58:13,272 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:58:13,272 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:58:13,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:58:13,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:58:13,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:58:13,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:58:13,752 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:58:13,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_malloc-2.i [2021-02-22 01:58:13,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4651f732b/314efa63c2bb4d00a9e01d8cdca666da/FLAG9f91e9683 [2021-02-22 01:58:14,547 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:58:14,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_malloc-2.i [2021-02-22 01:58:14,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4651f732b/314efa63c2bb4d00a9e01d8cdca666da/FLAG9f91e9683 [2021-02-22 01:58:14,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4651f732b/314efa63c2bb4d00a9e01d8cdca666da [2021-02-22 01:58:14,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:58:14,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:58:14,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:58:14,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:58:14,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:58:14,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:58:14" (1/1) ... [2021-02-22 01:58:14,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f676c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:14, skipping insertion in model container [2021-02-22 01:58:14,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:58:14" (1/1) ... [2021-02-22 01:58:14,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:58:14,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:58:15,207 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_malloc-2.i[813,826] [2021-02-22 01:58:15,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:58:15,362 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:58:15,389 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_malloc-2.i[813,826] [2021-02-22 01:58:15,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:58:15,504 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:58:15,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:15 WrapperNode [2021-02-22 01:58:15,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:58:15,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:58:15,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:58:15,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:58:15,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:15" (1/1) ... [2021-02-22 01:58:15,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:15" (1/1) ... [2021-02-22 01:58:15,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:15" (1/1) ... [2021-02-22 01:58:15,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:15" (1/1) ... [2021-02-22 01:58:15,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:15" (1/1) ... [2021-02-22 01:58:15,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:15" (1/1) ... [2021-02-22 01:58:15,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:15" (1/1) ... [2021-02-22 01:58:15,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:58:15,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:58:15,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:58:15,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:58:15,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:15" (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 [2021-02-22 01:58:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:58:15,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:58:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:58:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-22 01:58:15,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:58:15,727 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:58:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:58:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 01:58:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 01:58:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:58:15,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:58:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-22 01:58:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-02-22 01:58:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-02-22 01:58:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-02-22 01:58:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-02-22 01:58:15,729 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-02-22 01:58:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-02-22 01:58:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-02-22 01:58:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-02-22 01:58:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-02-22 01:58:15,730 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-02-22 01:58:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-02-22 01:58:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-02-22 01:58:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-02-22 01:58:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-02-22 01:58:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-02-22 01:58:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-02-22 01:58:15,731 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-02-22 01:58:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-02-22 01:58:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-02-22 01:58:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-02-22 01:58:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-02-22 01:58:15,732 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-02-22 01:58:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-02-22 01:58:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-02-22 01:58:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-02-22 01:58:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-02-22 01:58:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-02-22 01:58:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-02-22 01:58:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-02-22 01:58:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-02-22 01:58:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-02-22 01:58:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-02-22 01:58:15,734 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-02-22 01:58:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-02-22 01:58:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-02-22 01:58:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-02-22 01:58:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-02-22 01:58:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-02-22 01:58:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 01:58:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-02-22 01:58:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-02-22 01:58:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-02-22 01:58:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-02-22 01:58:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-22 01:58:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-02-22 01:58:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-02-22 01:58:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-02-22 01:58:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-02-22 01:58:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-02-22 01:58:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-02-22 01:58:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-02-22 01:58:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-02-22 01:58:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-02-22 01:58:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-02-22 01:58:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-02-22 01:58:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-02-22 01:58:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-02-22 01:58:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-02-22 01:58:15,738 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-02-22 01:58:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-02-22 01:58:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-02-22 01:58:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-02-22 01:58:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-02-22 01:58:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-02-22 01:58:15,739 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-02-22 01:58:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-02-22 01:58:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-02-22 01:58:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-02-22 01:58:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-02-22 01:58:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-02-22 01:58:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-02-22 01:58:15,740 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-02-22 01:58:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-22 01:58:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-02-22 01:58:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-02-22 01:58:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-02-22 01:58:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-02-22 01:58:15,741 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-02-22 01:58:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-02-22 01:58:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-02-22 01:58:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-02-22 01:58:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-02-22 01:58:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-02-22 01:58:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-02-22 01:58:15,742 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-02-22 01:58:15,743 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-02-22 01:58:15,743 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-02-22 01:58:15,743 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-02-22 01:58:15,743 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-02-22 01:58:15,743 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-02-22 01:58:15,743 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-02-22 01:58:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-02-22 01:58:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-02-22 01:58:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-02-22 01:58:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-02-22 01:58:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-02-22 01:58:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-02-22 01:58:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-02-22 01:58:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-02-22 01:58:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-02-22 01:58:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 01:58:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 01:58:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 01:58:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure reallocarray [2021-02-22 01:58:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 01:58:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2021-02-22 01:58:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 01:58:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2021-02-22 01:58:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2021-02-22 01:58:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2021-02-22 01:58:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2021-02-22 01:58:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2021-02-22 01:58:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2021-02-22 01:58:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2021-02-22 01:58:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2021-02-22 01:58:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2021-02-22 01:58:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:58:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:58:15,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:58:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:58:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:58:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:58:15,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:58:16,357 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:58:16,357 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-22 01:58:16,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:58:16 BoogieIcfgContainer [2021-02-22 01:58:16,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:58:16,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:58:16,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:58:16,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:58:16,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:58:14" (1/3) ... [2021-02-22 01:58:16,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637d7ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:58:16, skipping insertion in model container [2021-02-22 01:58:16,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:58:15" (2/3) ... [2021-02-22 01:58:16,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637d7ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:58:16, skipping insertion in model container [2021-02-22 01:58:16,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:58:16" (3/3) ... [2021-02-22 01:58:16,378 INFO L111 eAbstractionObserver]: Analyzing ICFG test_malloc-2.i [2021-02-22 01:58:16,386 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:58:16,392 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:58:16,416 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:58:16,458 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:58:16,459 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:58:16,459 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:58:16,459 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:58:16,459 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:58:16,460 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:58:16,460 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:58:16,460 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:58:16,482 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2021-02-22 01:58:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-02-22 01:58:16,498 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:58:16,499 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:58:16,499 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:58:16,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:58:16,509 INFO L82 PathProgramCache]: Analyzing trace with hash 288665940, now seen corresponding path program 1 times [2021-02-22 01:58:16,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:58:16,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799243074] [2021-02-22 01:58:16,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:58:16,628 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:58:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:58:16,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:58:16,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:58:16,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:58:16,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:58:16,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:58:16,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:58:16,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:58:16,938 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:58:16,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:58:16,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:58:16,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:58:16,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:58:16,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:58:17,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:58:17,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:58:17,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:58:17,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:58:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:58:17,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:58:17,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:58:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:58:17,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799243074] [2021-02-22 01:58:17,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:58:17,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-22 01:58:17,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781392976] [2021-02-22 01:58:17,135 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-22 01:58:17,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:58:17,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-22 01:58:17,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-02-22 01:58:17,153 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 9 states. [2021-02-22 01:58:17,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:58:17,580 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2021-02-22 01:58:17,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-22 01:58:17,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2021-02-22 01:58:17,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:58:17,590 INFO L225 Difference]: With dead ends: 45 [2021-02-22 01:58:17,591 INFO L226 Difference]: Without dead ends: 0 [2021-02-22 01:58:17,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-02-22 01:58:17,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-22 01:58:17,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-22 01:58:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-22 01:58:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-22 01:58:17,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-02-22 01:58:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:58:17,625 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-22 01:58:17,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-22 01:58:17,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-22 01:58:17,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-22 01:58:17,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:58:17,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-22 01:58:18,196 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-22 01:58:18,196 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-22 01:58:18,196 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-22 01:58:18,197 INFO L189 CegarLoopUtils]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-02-22 01:58:18,197 INFO L189 CegarLoopUtils]: For program point L12-3(line 12) no Hoare annotation was computed. [2021-02-22 01:58:18,197 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 01:58:18,197 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-22 01:58:18,197 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-22 01:58:18,198 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-22 01:58:18,198 INFO L192 CegarLoopUtils]: At program point L12-1(line 12) the Hoare annotation is: true [2021-02-22 01:58:18,198 INFO L192 CegarLoopUtils]: At program point L12-2(line 12) the Hoare annotation is: true [2021-02-22 01:58:18,198 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~CURRENTLY_UNSAFE~0 |old(~CURRENTLY_UNSAFE~0)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2021-02-22 01:58:18,198 INFO L192 CegarLoopUtils]: At program point L12-3(line 12) the Hoare annotation is: true [2021-02-22 01:58:18,199 INFO L192 CegarLoopUtils]: At program point L12-4(line 12) the Hoare annotation is: true [2021-02-22 01:58:18,199 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-22 01:58:18,199 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-22 01:58:18,199 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 01:58:18,199 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-22 01:58:18,199 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-22 01:58:18,200 INFO L185 CegarLoopUtils]: At program point L385(line 385) the Hoare annotation is: (and (not (= main_~p1~0.base |main_~#b~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1)) [2021-02-22 01:58:18,200 INFO L185 CegarLoopUtils]: At program point L386-1(lines 386 388) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (not (= main_~p1~0.base |main_~#b~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1)) [2021-02-22 01:58:18,200 INFO L185 CegarLoopUtils]: At program point L383(line 383) the Hoare annotation is: (= (select |#valid| |main_~#a~0.base|) 1) [2021-02-22 01:58:18,201 INFO L185 CegarLoopUtils]: At program point L383-1(line 383) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1)) [2021-02-22 01:58:18,201 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 382 390) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-22 01:58:18,201 INFO L185 CegarLoopUtils]: At program point L383-2(line 383) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (not (= main_~p1~0.base |main_~#b~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1)) [2021-02-22 01:58:18,201 INFO L185 CegarLoopUtils]: At program point L383-3(line 383) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (not (= main_~p1~0.base |main_~#b~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|))) [2021-02-22 01:58:18,202 INFO L185 CegarLoopUtils]: At program point L383-4(line 383) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (not (= main_~p1~0.base |main_~#b~0.base|))) [2021-02-22 01:58:18,202 INFO L185 CegarLoopUtils]: At program point L383-5(line 383) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (not (= main_~p1~0.base |main_~#b~0.base|))) [2021-02-22 01:58:18,202 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 382 390) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2021-02-22 01:58:18,202 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 382 390) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2021-02-22 01:58:18,203 INFO L185 CegarLoopUtils]: At program point L387(line 387) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (not (= main_~p1~0.base |main_~#b~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1)) [2021-02-22 01:58:18,203 INFO L185 CegarLoopUtils]: At program point L386(lines 386 388) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (not (= main_~p1~0.base |main_~#b~0.base|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1)) [2021-02-22 01:58:18,203 INFO L185 CegarLoopUtils]: At program point L15(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-22 01:58:18,203 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 13 18) the Hoare annotation is: true [2021-02-22 01:58:18,204 INFO L185 CegarLoopUtils]: At program point L14(lines 14 16) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-22 01:58:18,204 INFO L185 CegarLoopUtils]: At program point L15-1(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-22 01:58:18,204 INFO L185 CegarLoopUtils]: At program point L14-2(lines 13 18) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-22 01:58:18,204 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 13 18) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-22 01:58:18,205 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-22 01:58:18,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 01:58:18 BoogieIcfgContainer [2021-02-22 01:58:18,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 01:58:18,225 INFO L168 Benchmark]: Toolchain (without parser) took 3382.01 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 53.4 MB in the end (delta: 72.8 MB). Peak memory consumption was 73.4 MB. Max. memory is 8.0 GB. [2021-02-22 01:58:18,226 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:58:18,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.72 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 103.7 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:58:18,228 INFO L168 Benchmark]: Boogie Preprocessor took 80.63 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 133.9 MB in the end (delta: -30.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. [2021-02-22 01:58:18,229 INFO L168 Benchmark]: RCFGBuilder took 772.12 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 96.2 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. [2021-02-22 01:58:18,230 INFO L168 Benchmark]: TraceAbstraction took 1859.01 ms. Allocated memory is still 151.0 MB. Free memory was 95.3 MB in the beginning and 53.4 MB in the end (delta: 41.9 MB). Peak memory consumption was 42.5 MB. Max. memory is 8.0 GB. [2021-02-22 01:58:18,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 125.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 643.72 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 103.7 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 80.63 ms. Allocated memory is still 151.0 MB. Free memory was 103.7 MB in the beginning and 133.9 MB in the end (delta: -30.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 772.12 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 96.2 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1859.01 ms. Allocated memory is still 151.0 MB. Free memory was 95.3 MB in the beginning and 53.4 MB in the end (delta: 41.9 MB). Peak memory consumption was 42.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 382]: Procedure Contract for main Derived contract for procedure main: !(p1 == p2) - ProcedureContractResult [Line: 13]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 30 SDslu, 102 SDs, 0 SdLazy, 78 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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, 34 LocationsWithAnnotation, 34 PreInvPairs, 45 NumberOfFragments, 222 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 152 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...