/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/bubble_sort-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:45:14,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:45:14,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:45:15,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 19:45:15,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 19:45:15,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 19:45:15,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 19:45:15,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 19:45:15,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 19:45:15,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 19:45:15,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 19:45:15,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 19:45:15,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:45:15,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:45:15,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:45:15,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:45:15,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:45:15,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:45:15,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:45:15,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:45:15,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:45:15,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:45:15,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:45:15,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:45:15,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 19:45:15,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:45:15,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:45:15,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:45:15,113 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 19:45:15,125 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:45:15,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:45:15,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:45:15,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:45:15,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:45:15,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:45:15,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:45:15,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:45:15,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:45:15,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:45:15,130 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:45:15,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:45:15,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:45:15,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:45:15,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:45:15,131 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:45:15,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:45:15,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:45:15,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:45:15,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:45:15,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:45:15,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:45:15,133 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:45:15,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:45:15,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:45:15,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:45:15,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:45:15,413 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:45:15,414 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2020-08-22 19:45:15,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd083656b/1657fe8b76d44f4e9d6653adb1f5233a/FLAGc27b9b1d9 [2020-08-22 19:45:16,027 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:45:16,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2020-08-22 19:45:16,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd083656b/1657fe8b76d44f4e9d6653adb1f5233a/FLAGc27b9b1d9 [2020-08-22 19:45:16,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd083656b/1657fe8b76d44f4e9d6653adb1f5233a [2020-08-22 19:45:16,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:45:16,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:45:16,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:45:16,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:45:16,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:45:16,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:45:16" (1/1) ... [2020-08-22 19:45:16,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2826fdd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:16, skipping insertion in model container [2020-08-22 19:45:16,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:45:16" (1/1) ... [2020-08-22 19:45:16,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:45:16,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:45:16,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:45:16,838 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:45:16,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:45:17,009 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:45:17,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:17 WrapperNode [2020-08-22 19:45:17,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:45:17,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:45:17,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:45:17,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:45:17,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:17" (1/1) ... [2020-08-22 19:45:17,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:17" (1/1) ... [2020-08-22 19:45:17,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:17" (1/1) ... [2020-08-22 19:45:17,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:17" (1/1) ... [2020-08-22 19:45:17,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:17" (1/1) ... [2020-08-22 19:45:17,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:17" (1/1) ... [2020-08-22 19:45:17,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:17" (1/1) ... [2020-08-22 19:45:17,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:45:17,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:45:17,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:45:17,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:45:17,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:17" (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 [2020-08-22 19:45:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:45:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:45:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-08-22 19:45:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2020-08-22 19:45:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-08-22 19:45:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2020-08-22 19:45:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-08-22 19:45:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2020-08-22 19:45:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2020-08-22 19:45:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2020-08-22 19:45:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2020-08-22 19:45:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2020-08-22 19:45:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2020-08-22 19:45:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2020-08-22 19:45:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:45:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:45:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 19:45:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-08-22 19:45:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-08-22 19:45:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 19:45:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 19:45:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 19:45:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 19:45:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-08-22 19:45:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 19:45:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2020-08-22 19:45:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 19:45:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-08-22 19:45:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 19:45:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2020-08-22 19:45:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-08-22 19:45:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2020-08-22 19:45:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2020-08-22 19:45:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 19:45:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 19:45:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2020-08-22 19:45:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2020-08-22 19:45:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 19:45:17,193 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2020-08-22 19:45:17,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 19:45:17,194 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2020-08-22 19:45:17,194 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2020-08-22 19:45:17,194 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:45:17,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:45:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 19:45:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-22 19:45:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:45:17,824 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2020-08-22 19:45:18,392 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:45:18,392 INFO L295 CfgBuilder]: Removed 23 assume(true) statements. [2020-08-22 19:45:18,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:45:18 BoogieIcfgContainer [2020-08-22 19:45:18,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:45:18,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:45:18,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:45:18,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:45:18,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:45:16" (1/3) ... [2020-08-22 19:45:18,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7801d0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:45:18, skipping insertion in model container [2020-08-22 19:45:18,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:45:17" (2/3) ... [2020-08-22 19:45:18,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7801d0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:45:18, skipping insertion in model container [2020-08-22 19:45:18,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:45:18" (3/3) ... [2020-08-22 19:45:18,409 INFO L109 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.i [2020-08-22 19:45:18,420 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:45:18,428 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:45:18,441 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:45:18,461 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:45:18,461 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:45:18,461 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:45:18,462 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:45:18,462 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:45:18,462 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:45:18,462 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:45:18,462 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:45:18,486 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states. [2020-08-22 19:45:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-08-22 19:45:18,508 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:45:18,509 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:45:18,509 INFO L427 AbstractCegarLoop]: === Iteration 1 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:45:18,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:45:18,515 INFO L82 PathProgramCache]: Analyzing trace with hash 414164272, now seen corresponding path program 1 times [2020-08-22 19:45:18,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:45:18,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827685733] [2020-08-22 19:45:18,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:45:18,578 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:45:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:18,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:45:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:18,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 19:45:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:45:18,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827685733] [2020-08-22 19:45:18,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:45:18,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 19:45:18,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675383301] [2020-08-22 19:45:18,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 19:45:18,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:45:18,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 19:45:18,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 19:45:18,922 INFO L87 Difference]: Start difference. First operand 575 states. Second operand 4 states. [2020-08-22 19:45:19,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:45:19,799 INFO L93 Difference]: Finished difference Result 1190 states and 1360 transitions. [2020-08-22 19:45:19,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 19:45:19,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2020-08-22 19:45:19,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:45:19,818 INFO L225 Difference]: With dead ends: 1190 [2020-08-22 19:45:19,819 INFO L226 Difference]: Without dead ends: 565 [2020-08-22 19:45:19,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 19:45:19,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-08-22 19:45:19,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 529. [2020-08-22 19:45:19,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-08-22 19:45:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 552 transitions. [2020-08-22 19:45:19,980 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 552 transitions. Word has length 150 [2020-08-22 19:45:19,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:45:19,981 INFO L479 AbstractCegarLoop]: Abstraction has 529 states and 552 transitions. [2020-08-22 19:45:19,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 19:45:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 552 transitions. [2020-08-22 19:45:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-08-22 19:45:19,987 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:45:19,987 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:45:19,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:45:19,988 INFO L427 AbstractCegarLoop]: === Iteration 2 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:45:19,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:45:19,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1265662650, now seen corresponding path program 1 times [2020-08-22 19:45:19,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:45:19,989 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502058897] [2020-08-22 19:45:19,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:45:19,993 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:45:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:20,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:45:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:20,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-22 19:45:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:20,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 19:45:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-22 19:45:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:20,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 19:45:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:45:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:45:20,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502058897] [2020-08-22 19:45:20,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:45:20,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 19:45:20,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428017894] [2020-08-22 19:45:20,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 19:45:20,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:45:20,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 19:45:20,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-22 19:45:20,572 INFO L87 Difference]: Start difference. First operand 529 states and 552 transitions. Second operand 11 states. [2020-08-22 19:45:23,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:45:23,673 INFO L93 Difference]: Finished difference Result 898 states and 946 transitions. [2020-08-22 19:45:23,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 19:45:23,674 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2020-08-22 19:45:23,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:45:23,682 INFO L225 Difference]: With dead ends: 898 [2020-08-22 19:45:23,683 INFO L226 Difference]: Without dead ends: 893 [2020-08-22 19:45:23,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-08-22 19:45:23,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-08-22 19:45:23,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 841. [2020-08-22 19:45:23,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2020-08-22 19:45:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 880 transitions. [2020-08-22 19:45:23,829 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 880 transitions. Word has length 222 [2020-08-22 19:45:23,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:45:23,830 INFO L479 AbstractCegarLoop]: Abstraction has 841 states and 880 transitions. [2020-08-22 19:45:23,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 19:45:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 880 transitions. [2020-08-22 19:45:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-08-22 19:45:23,834 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:45:23,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:45:23,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 19:45:23,835 INFO L427 AbstractCegarLoop]: === Iteration 3 === [failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:45:23,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:45:23,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1368820130, now seen corresponding path program 1 times [2020-08-22 19:45:23,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:45:23,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419515925] [2020-08-22 19:45:23,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:45:23,839 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:45:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 19:45:24,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 19:45:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 19:45:24,219 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 19:45:24,295 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 19:45:24,295 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 19:45:24,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 19:45:24,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:45:24 BoogieIcfgContainer [2020-08-22 19:45:24,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:45:24,331 INFO L168 Benchmark]: Toolchain (without parser) took 7962.57 ms. Allocated memory was 137.9 MB in the beginning and 345.5 MB in the end (delta: 207.6 MB). Free memory was 99.5 MB in the beginning and 114.3 MB in the end (delta: -14.8 MB). Peak memory consumption was 192.8 MB. Max. memory is 7.1 GB. [2020-08-22 19:45:24,332 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 19:45:24,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.59 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.2 MB in the beginning and 173.0 MB in the end (delta: -73.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2020-08-22 19:45:24,334 INFO L168 Benchmark]: Boogie Preprocessor took 112.04 ms. Allocated memory is still 202.4 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-22 19:45:24,335 INFO L168 Benchmark]: RCFGBuilder took 1278.33 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 168.9 MB in the beginning and 185.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2020-08-22 19:45:24,336 INFO L168 Benchmark]: TraceAbstraction took 5925.70 ms. Allocated memory was 233.3 MB in the beginning and 345.5 MB in the end (delta: 112.2 MB). Free memory was 185.1 MB in the beginning and 114.3 MB in the end (delta: 70.8 MB). Peak memory consumption was 183.0 MB. Max. memory is 7.1 GB. [2020-08-22 19:45:24,341 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.59 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.2 MB in the beginning and 173.0 MB in the end (delta: -73.8 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.04 ms. Allocated memory is still 202.4 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1278.33 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 168.9 MB in the beginning and 185.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5925.70 ms. Allocated memory was 233.3 MB in the beginning and 345.5 MB in the end (delta: 112.2 MB). Free memory was 185.1 MB in the beginning and 114.3 MB in the end (delta: 70.8 MB). Peak memory consumption was 183.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 35]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L41] struct list_head gl_list = {& gl_list, & gl_list}; [L824] struct list_head const *__cil_tmp1 ; [L825] struct list_head const *__cil_tmp2 ; [L828] CALL gl_read() [L665] int tmp ; [L666] int tmp___0 ; [L669] COND TRUE 1 [L672] tmp = __VERIFIER_nondet_int() [L673] CALL gl_insert(tmp) [L611] struct node *node ; [L612] void *tmp ; [L613] unsigned int __cil_tmp4 ; [L614] unsigned int __cil_tmp5 ; [L615] unsigned int __cil_tmp6 ; [L616] struct list_head *__cil_tmp7 ; [L617] unsigned int __cil_tmp8 ; [L618] unsigned int __cil_tmp9 ; [L619] unsigned int __cil_tmp10 ; [L620] unsigned int __cil_tmp11 ; [L621] unsigned int __cil_tmp12 ; [L622] unsigned int __cil_tmp13 ; [L623] unsigned int __cil_tmp14 ; [L624] unsigned int __cil_tmp15 ; [L627] __cil_tmp4 = (unsigned int )20UL [L628] tmp = malloc(__cil_tmp4) [L629] node = (struct node *)tmp [L631] COND FALSE !(! node) [L638] *((int *)node) = value [L639] __cil_tmp5 = (unsigned int )node [L640] __cil_tmp6 = __cil_tmp5 + 4 [L641] __cil_tmp7 = (struct list_head *)__cil_tmp6 [L642] CALL list_add(__cil_tmp7, & gl_list) [L584] struct list_head *__cil_tmp3 ; [L587] EXPR \read(*head) [L587] __cil_tmp3 = *((struct list_head **)head) [L588] CALL __list_add(new, head, __cil_tmp3) [L556] unsigned int __cil_tmp4 ; [L557] unsigned int __cil_tmp5 ; [L558] unsigned int __cil_tmp6 ; [L559] unsigned int __cil_tmp7 ; [L561] __cil_tmp4 = (unsigned int )next [L562] __cil_tmp5 = __cil_tmp4 + 4 [L563] *((struct list_head **)__cil_tmp5) = new [L564] *((struct list_head **)new) = next [L565] __cil_tmp6 = (unsigned int )new [L566] __cil_tmp7 = __cil_tmp6 + 4 [L567] *((struct list_head **)__cil_tmp7) = prev [L568] *((struct list_head **)prev) = new [L588] RET __list_add(new, head, __cil_tmp3) [L642] RET list_add(__cil_tmp7, & gl_list) [L645] COND TRUE 1 [L647] __cil_tmp8 = (unsigned int )node [L648] __cil_tmp9 = __cil_tmp8 + 12 [L649] __cil_tmp10 = (unsigned int )node [L650] __cil_tmp11 = __cil_tmp10 + 12 [L651] *((struct list_head **)__cil_tmp9) = (struct list_head *)__cil_tmp11 [L652] __cil_tmp12 = (unsigned int )node [L653] __cil_tmp13 = __cil_tmp12 + 12 [L654] __cil_tmp14 = (unsigned int )node [L655] __cil_tmp15 = __cil_tmp14 + 12 [L656] *((struct list_head **)__cil_tmp13) = (struct list_head *)__cil_tmp15 [L673] RET gl_insert(tmp) [L674] tmp___0 = __VERIFIER_nondet_int() [L676] COND FALSE !(\read(tmp___0)) [L828] RET gl_read() [L829] __cil_tmp1 = (struct list_head const *)(& gl_list) [L830] CALL inspect(__cil_tmp1) [L44] struct node const *node ; [L45] unsigned int __cil_tmp3 ; [L46] struct list_head *__cil_tmp4 ; [L47] unsigned int __cil_tmp5 ; [L48] int __cil_tmp6 ; [L49] unsigned int __cil_tmp7 ; [L50] unsigned int __cil_tmp8 ; [L51] unsigned int __cil_tmp9 ; [L52] struct list_head *__cil_tmp10 ; [L53] unsigned int __cil_tmp11 ; [L54] int __cil_tmp12 ; [L55] unsigned int __cil_tmp13 ; [L56] unsigned int __cil_tmp14 ; [L57] struct list_head *__cil_tmp15 ; [L58] unsigned int __cil_tmp16 ; [L59] struct list_head *__cil_tmp17 ; [L60] unsigned int __cil_tmp18 ; [L61] int __cil_tmp19 ; [L62] unsigned int __cil_tmp20 ; [L63] unsigned int __cil_tmp21 ; [L64] unsigned int __cil_tmp22 ; [L65] struct list_head *__cil_tmp23 ; [L66] unsigned int __cil_tmp24 ; [L67] int __cil_tmp25 ; [L68] struct node *__cil_tmp26 ; [L69] unsigned int __cil_tmp27 ; [L70] unsigned int __cil_tmp28 ; [L71] struct list_head *__cil_tmp29 ; [L72] unsigned long __cil_tmp30 ; [L73] char *__cil_tmp31 ; [L74] char *__cil_tmp32 ; [L75] struct node *__cil_tmp33 ; [L76] unsigned int __cil_tmp34 ; [L77] unsigned int __cil_tmp35 ; [L78] struct list_head const *__cil_tmp36 ; [L79] unsigned int __cil_tmp37 ; [L80] unsigned int __cil_tmp38 ; [L81] unsigned int __cil_tmp39 ; [L82] struct list_head *__cil_tmp40 ; [L83] unsigned int __cil_tmp41 ; [L84] int __cil_tmp42 ; [L85] unsigned int __cil_tmp43 ; [L86] unsigned int __cil_tmp44 ; [L87] struct list_head const *__cil_tmp45 ; [L88] unsigned int __cil_tmp46 ; [L89] unsigned int __cil_tmp47 ; [L90] unsigned int __cil_tmp48 ; [L91] unsigned int __cil_tmp49 ; [L92] struct list_head *__cil_tmp50 ; [L93] unsigned int __cil_tmp51 ; [L94] int __cil_tmp52 ; [L95] unsigned int __cil_tmp53 ; [L96] unsigned int __cil_tmp54 ; [L97] struct list_head const *__cil_tmp55 ; [L98] unsigned int __cil_tmp56 ; [L99] unsigned int __cil_tmp57 ; [L100] unsigned int __cil_tmp58 ; [L101] struct list_head *__cil_tmp59 ; [L102] unsigned int __cil_tmp60 ; [L103] int __cil_tmp61 ; [L104] unsigned int __cil_tmp62 ; [L105] unsigned int __cil_tmp63 ; [L106] struct list_head const *__cil_tmp64 ; [L107] unsigned int __cil_tmp65 ; [L108] unsigned int __cil_tmp66 ; [L109] unsigned int __cil_tmp67 ; [L110] unsigned int __cil_tmp68 ; [L111] struct list_head *__cil_tmp69 ; [L112] unsigned int __cil_tmp70 ; [L113] int __cil_tmp71 ; [L114] struct node const *__cil_tmp72 ; [L115] unsigned int __cil_tmp73 ; [L116] unsigned int __cil_tmp74 ; [L117] int __cil_tmp75 ; [L118] unsigned int __cil_tmp76 ; [L119] unsigned int __cil_tmp77 ; [L120] struct list_head const *__cil_tmp78 ; [L121] struct node const *__cil_tmp79 ; [L122] unsigned int __cil_tmp80 ; [L123] unsigned int __cil_tmp81 ; [L124] int __cil_tmp82 ; [L125] int const *__cil_tmp83 ; [L126] struct node const *__cil_tmp84 ; [L127] unsigned int __cil_tmp85 ; [L128] unsigned int __cil_tmp86 ; [L129] int __cil_tmp87 ; [L130] unsigned int __cil_tmp88 ; [L131] unsigned int __cil_tmp89 ; [L132] struct list_head *__cil_tmp90 ; [L133] unsigned int __cil_tmp91 ; [L134] unsigned int __cil_tmp92 ; [L135] struct list_head *__cil_tmp93 ; [L136] unsigned int __cil_tmp94 ; [L137] unsigned int __cil_tmp95 ; [L138] int __cil_tmp96 ; [L139] unsigned int __cil_tmp97 ; [L140] unsigned int __cil_tmp98 ; [L141] unsigned int __cil_tmp99 ; [L142] struct list_head *__cil_tmp100 ; [L143] struct list_head *__cil_tmp101 ; [L144] unsigned int __cil_tmp102 ; [L145] unsigned int __cil_tmp103 ; [L146] int __cil_tmp104 ; [L147] struct list_head *__cil_tmp105 ; [L148] unsigned int __cil_tmp106 ; [L149] unsigned int __cil_tmp107 ; [L150] unsigned int __cil_tmp108 ; [L151] struct list_head const *__cil_tmp109 ; [L152] unsigned int __cil_tmp110 ; [L153] struct list_head *__cil_tmp111 ; [L154] unsigned int __cil_tmp112 ; [L155] struct node *__cil_tmp113 ; [L156] unsigned int __cil_tmp114 ; [L157] unsigned int __cil_tmp115 ; [L158] struct list_head *__cil_tmp116 ; [L159] unsigned long __cil_tmp117 ; [L160] char *__cil_tmp118 ; [L161] char *__cil_tmp119 ; [L162] struct node *__cil_tmp120 ; [L163] unsigned int __cil_tmp121 ; [L164] int __cil_tmp122 ; [L168] COND TRUE 1 [L170] COND FALSE !(! head) [L181] COND TRUE 1 [L184] __cil_tmp3 = (unsigned int )head [L185] EXPR \read(*head) [L185] __cil_tmp4 = *((struct list_head * const *)head) [L186] __cil_tmp5 = (unsigned int )__cil_tmp4 [L187] __cil_tmp6 = __cil_tmp5 != __cil_tmp3 [L188] COND TRUE ! __cil_tmp6 [L190] CALL fail() [L35] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 576 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1056 SDtfs, 6347 SDslu, 242 SDs, 0 SdLazy, 1897 SolverSat, 495 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=841occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 88 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, 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 incorrect! Received shutdown request...