/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_malloc-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 00:16:59,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 00:16:59,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 00:16:59,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 00:16:59,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 00:16:59,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 00:16:59,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 00:16:59,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 00:16:59,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 00:16:59,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 00:16:59,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 00:16:59,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 00:16:59,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 00:16:59,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 00:16:59,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 00:16:59,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 00:16:59,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 00:16:59,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 00:16:59,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 00:16:59,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 00:16:59,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 00:16:59,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 00:16:59,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 00:16:59,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 00:16:59,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 00:16:59,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 00:16:59,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 00:16:59,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 00:16:59,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-22 00:16:59,674 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 00:16:59,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 00:16:59,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 00:16:59,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 00:16:59,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 00:16:59,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 00:16:59,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 00:16:59,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 00:16:59,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 00:16:59,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 00:16:59,680 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 00:16:59,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 00:16:59,681 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 00:16:59,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 00:16:59,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 00:16:59,682 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 00:16:59,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 00:16:59,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 00:16:59,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 00:16:59,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 00:16:59,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 00:16:59,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 00:16:59,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-22 00:17:00,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 00:17:00,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 00:17:00,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 00:17:00,104 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 00:17:00,105 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 00:17:00,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_malloc-1.i [2021-02-22 00:17:00,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f948d1e42/c9bc53385fb44591b5be2ca0c4114a3c/FLAG05d0d3802 [2021-02-22 00:17:00,951 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 00:17:00,952 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_malloc-1.i [2021-02-22 00:17:00,973 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f948d1e42/c9bc53385fb44591b5be2ca0c4114a3c/FLAG05d0d3802 [2021-02-22 00:17:01,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f948d1e42/c9bc53385fb44591b5be2ca0c4114a3c [2021-02-22 00:17:01,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 00:17:01,266 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 00:17:01,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 00:17:01,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 00:17:01,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 00:17:01,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:17:01" (1/1) ... [2021-02-22 00:17:01,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223a3c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01, skipping insertion in model container [2021-02-22 00:17:01,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:17:01" (1/1) ... [2021-02-22 00:17:01,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 00:17:01,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 00:17:01,485 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-1.i[813,826] [2021-02-22 00:17:01,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:17:01,691 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 00:17:01,721 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-1.i[813,826] [2021-02-22 00:17:01,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:17:01,876 INFO L208 MainTranslator]: Completed translation [2021-02-22 00:17:01,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01 WrapperNode [2021-02-22 00:17:01,877 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 00:17:01,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 00:17:01,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 00:17:01,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 00:17:01,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01" (1/1) ... [2021-02-22 00:17:01,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01" (1/1) ... [2021-02-22 00:17:01,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01" (1/1) ... [2021-02-22 00:17:01,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01" (1/1) ... [2021-02-22 00:17:01,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01" (1/1) ... [2021-02-22 00:17:01,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01" (1/1) ... [2021-02-22 00:17:02,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01" (1/1) ... [2021-02-22 00:17:02,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 00:17:02,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 00:17:02,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 00:17:02,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 00:17:02,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01" (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 [2021-02-22 00:17:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 00:17:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 00:17:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 00:17:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-22 00:17:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 00:17:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 00:17:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 00:17:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 00:17:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 00:17:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 00:17:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 00:17:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-22 00:17:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2021-02-22 00:17:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2021-02-22 00:17:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2021-02-22 00:17:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2021-02-22 00:17:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2021-02-22 00:17:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2021-02-22 00:17:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2021-02-22 00:17:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2021-02-22 00:17:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2021-02-22 00:17:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2021-02-22 00:17:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2021-02-22 00:17:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2021-02-22 00:17:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2021-02-22 00:17:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2021-02-22 00:17:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2021-02-22 00:17:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2021-02-22 00:17:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2021-02-22 00:17:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2021-02-22 00:17:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2021-02-22 00:17:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2021-02-22 00:17:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2021-02-22 00:17:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2021-02-22 00:17:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2021-02-22 00:17:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2021-02-22 00:17:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2021-02-22 00:17:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2021-02-22 00:17:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-02-22 00:17:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2021-02-22 00:17:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-02-22 00:17:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2021-02-22 00:17:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2021-02-22 00:17:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2021-02-22 00:17:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2021-02-22 00:17:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2021-02-22 00:17:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2021-02-22 00:17:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2021-02-22 00:17:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2021-02-22 00:17:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2021-02-22 00:17:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 00:17:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2021-02-22 00:17:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2021-02-22 00:17:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2021-02-22 00:17:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2021-02-22 00:17:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2021-02-22 00:17:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2021-02-22 00:17:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2021-02-22 00:17:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2021-02-22 00:17:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2021-02-22 00:17:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2021-02-22 00:17:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2021-02-22 00:17:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2021-02-22 00:17:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2021-02-22 00:17:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2021-02-22 00:17:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2021-02-22 00:17:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2021-02-22 00:17:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2021-02-22 00:17:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2021-02-22 00:17:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2021-02-22 00:17:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2021-02-22 00:17:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2021-02-22 00:17:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2021-02-22 00:17:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2021-02-22 00:17:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2021-02-22 00:17:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2021-02-22 00:17:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2021-02-22 00:17:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2021-02-22 00:17:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2021-02-22 00:17:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2021-02-22 00:17:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2021-02-22 00:17:02,201 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2021-02-22 00:17:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2021-02-22 00:17:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2021-02-22 00:17:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-02-22 00:17:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2021-02-22 00:17:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2021-02-22 00:17:02,202 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2021-02-22 00:17:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2021-02-22 00:17:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2021-02-22 00:17:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2021-02-22 00:17:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2021-02-22 00:17:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2021-02-22 00:17:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2021-02-22 00:17:02,203 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2021-02-22 00:17:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2021-02-22 00:17:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2021-02-22 00:17:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2021-02-22 00:17:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2021-02-22 00:17:02,204 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2021-02-22 00:17:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2021-02-22 00:17:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2021-02-22 00:17:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2021-02-22 00:17:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2021-02-22 00:17:02,205 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2021-02-22 00:17:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2021-02-22 00:17:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2021-02-22 00:17:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2021-02-22 00:17:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2021-02-22 00:17:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2021-02-22 00:17:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2021-02-22 00:17:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2021-02-22 00:17:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 00:17:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 00:17:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-02-22 00:17:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure reallocarray [2021-02-22 00:17:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 00:17:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2021-02-22 00:17:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-02-22 00:17:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2021-02-22 00:17:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2021-02-22 00:17:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2021-02-22 00:17:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2021-02-22 00:17:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2021-02-22 00:17:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2021-02-22 00:17:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2021-02-22 00:17:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2021-02-22 00:17:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2021-02-22 00:17:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 00:17:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 00:17:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 00:17:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 00:17:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 00:17:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 00:17:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 00:17:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 00:17:02,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 00:17:02,989 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-22 00:17:02,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:17:02 BoogieIcfgContainer [2021-02-22 00:17:02,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 00:17:02,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 00:17:02,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 00:17:03,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 00:17:03,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 12:17:01" (1/3) ... [2021-02-22 00:17:03,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b30ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:17:03, skipping insertion in model container [2021-02-22 00:17:03,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:17:01" (2/3) ... [2021-02-22 00:17:03,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b30ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:17:03, skipping insertion in model container [2021-02-22 00:17:03,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:17:02" (3/3) ... [2021-02-22 00:17:03,019 INFO L111 eAbstractionObserver]: Analyzing ICFG test_malloc-1.i [2021-02-22 00:17:03,028 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 00:17:03,035 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 00:17:03,057 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 00:17:03,096 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 00:17:03,096 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 00:17:03,096 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-22 00:17:03,097 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 00:17:03,097 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 00:17:03,097 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 00:17:03,097 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 00:17:03,097 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 00:17:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2021-02-22 00:17:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-02-22 00:17:03,132 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:17:03,133 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 00:17:03,134 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:17:03,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:17:03,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1172932012, now seen corresponding path program 1 times [2021-02-22 00:17:03,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:17:03,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949810909] [2021-02-22 00:17:03,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:17:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:17:03,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 00:17:03,332 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Proofs are not supported at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 00:17:03,341 INFO L168 Benchmark]: Toolchain (without parser) took 2084.30 ms. Allocated memory is still 151.0 MB. Free memory was 126.8 MB in the beginning and 84.0 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 8.0 GB. [2021-02-22 00:17:03,344 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 124.8 MB in the end (delta: 81.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:17:03,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 605.34 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 104.0 MB in the end (delta: 21.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-02-22 00:17:03,349 INFO L168 Benchmark]: Boogie Preprocessor took 142.54 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 134.1 MB in the end (delta: -30.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. [2021-02-22 00:17:03,351 INFO L168 Benchmark]: RCFGBuilder took 969.08 ms. Allocated memory is still 151.0 MB. Free memory was 134.1 MB in the beginning and 96.6 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. [2021-02-22 00:17:03,352 INFO L168 Benchmark]: TraceAbstraction took 339.96 ms. Allocated memory is still 151.0 MB. Free memory was 96.1 MB in the beginning and 84.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-22 00:17:03,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 124.8 MB in the end (delta: 81.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 605.34 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 104.0 MB in the end (delta: 21.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 142.54 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 134.1 MB in the end (delta: -30.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 969.08 ms. Allocated memory is still 151.0 MB. Free memory was 134.1 MB in the beginning and 96.6 MB in the end (delta: 37.5 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 339.96 ms. Allocated memory is still 151.0 MB. Free memory was 96.1 MB in the beginning and 84.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Proofs are not supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Proofs are not supported: de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...