java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test12_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:16:59,608 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:16:59,610 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:16:59,620 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:16:59,621 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:16:59,621 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:16:59,622 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:16:59,623 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:16:59,624 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:16:59,625 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:16:59,626 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:16:59,626 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:16:59,627 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:16:59,628 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:16:59,629 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:16:59,630 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:16:59,632 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:16:59,633 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:16:59,634 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:16:59,635 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:16:59,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:16:59,637 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:16:59,637 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:16:59,638 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:16:59,639 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:16:59,640 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:16:59,640 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:16:59,641 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:16:59,641 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:16:59,641 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:16:59,642 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:16:59,642 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-04 04:16:59,652 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:16:59,652 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:16:59,653 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:16:59,653 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:16:59,653 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:16:59,654 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:16:59,654 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:16:59,654 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:16:59,654 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:16:59,654 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:16:59,654 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:16:59,654 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:16:59,655 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:16:59,655 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:16:59,655 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:16:59,655 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:16:59,655 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:16:59,655 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:16:59,656 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:16:59,656 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:16:59,656 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:16:59,656 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:16:59,656 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-04 04:16:59,656 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-04 04:16:59,656 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-04 04:16:59,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:16:59,696 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:16:59,700 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:16:59,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:16:59,701 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:16:59,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test12_true-valid-memsafety.i [2018-02-04 04:16:59,848 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:16:59,849 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:16:59,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:16:59,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:16:59,854 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:16:59,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:16:59" (1/1) ... [2018-02-04 04:16:59,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2819ab97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:16:59, skipping insertion in model container [2018-02-04 04:16:59,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:16:59" (1/1) ... [2018-02-04 04:16:59,868 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:16:59,904 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:17:00,022 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:17:00,056 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:17:00,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:17:00 WrapperNode [2018-02-04 04:17:00,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:17:00,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:17:00,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:17:00,069 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:17:00,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:17:00" (1/1) ... [2018-02-04 04:17:00,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:17:00" (1/1) ... [2018-02-04 04:17:00,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:17:00" (1/1) ... [2018-02-04 04:17:00,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:17:00" (1/1) ... [2018-02-04 04:17:00,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:17:00" (1/1) ... [2018-02-04 04:17:00,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:17:00" (1/1) ... [2018-02-04 04:17:00,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:17:00" (1/1) ... [2018-02-04 04:17:00,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:17:00,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:17:00,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:17:00,108 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:17:00,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:17:00" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:17:00,146 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:17:00,146 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:17:00,146 INFO L136 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-02-04 04:17:00,146 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_msg_fill [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_msg_free [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_submit_msg [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2018-02-04 04:17:00,147 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_kobject_release [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_i2c_get_clientdata [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_i2c_set_clientdata [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure master_xfer [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_i2c_transfer [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_m88ts2022_rd_reg [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_fix_12 [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure free_12 [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-04 04:17:00,148 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:17:00,148 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:17:00,148 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:17:00,148 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-02-04 04:17:00,149 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2018-02-04 04:17:00,149 INFO L128 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_list_add [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_list_del [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_msg_alloc [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_msg_fill [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_msg_free [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_submit_msg [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_kobject_release [2018-02-04 04:17:00,150 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_i2c_get_clientdata [2018-02-04 04:17:00,151 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_i2c_set_clientdata [2018-02-04 04:17:00,151 INFO L128 BoogieDeclarations]: Found specification of procedure master_xfer [2018-02-04 04:17:00,151 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_i2c_transfer [2018-02-04 04:17:00,151 INFO L128 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2018-02-04 04:17:00,151 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_m88ts2022_rd_reg [2018-02-04 04:17:00,151 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_fix_12 [2018-02-04 04:17:00,151 INFO L128 BoogieDeclarations]: Found specification of procedure free_12 [2018-02-04 04:17:00,151 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-04 04:17:00,152 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:17:00,152 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:17:00,152 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:17:00,750 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-02-04 04:17:00,846 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:17:00,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:17:00 BoogieIcfgContainer [2018-02-04 04:17:00,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:17:00,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:17:00,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:17:00,850 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:17:00,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:16:59" (1/3) ... [2018-02-04 04:17:00,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573a68b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:17:00, skipping insertion in model container [2018-02-04 04:17:00,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:17:00" (2/3) ... [2018-02-04 04:17:00,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@573a68b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:17:00, skipping insertion in model container [2018-02-04 04:17:00,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:17:00" (3/3) ... [2018-02-04 04:17:00,854 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test12_true-valid-memsafety.i [2018-02-04 04:17:00,862 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:17:00,873 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-02-04 04:17:00,904 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:17:00,904 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:17:00,904 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-04 04:17:00,904 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-04 04:17:00,905 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:17:00,905 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:17:00,905 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:17:00,905 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:17:00,906 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:17:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states. [2018-02-04 04:17:00,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-04 04:17:00,929 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:17:00,929 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-04 04:17:00,929 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_list_addErr0RequiresViolation, ldv_list_addErr1RequiresViolation, ldv_destroy_msgsErr5RequiresViolation, ldv_destroy_msgsErr3RequiresViolation, ldv_destroy_msgsErr4RequiresViolation, ldv_destroy_msgsErr0RequiresViolation, ldv_destroy_msgsErr2RequiresViolation, ldv_destroy_msgsErr1RequiresViolation, ldv_msg_fillErr3RequiresViolation, ldv_msg_fillErr1RequiresViolation, ldv_msg_fillErr5RequiresViolation, ldv_msg_fillErr0RequiresViolation, ldv_msg_fillErr4RequiresViolation, ldv_msg_fillErr2RequiresViolation, __ldv_list_delErr2RequiresViolation, __ldv_list_delErr0RequiresViolation, __ldv_list_delErr1RequiresViolation, __ldv_list_delErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, ldv_msg_freeErr5RequiresViolation, ldv_msg_freeErr3RequiresViolation, ldv_msg_freeErr1RequiresViolation, ldv_msg_freeErr0RequiresViolation, ldv_msg_freeErr4RequiresViolation, ldv_msg_freeErr2RequiresViolation, mainErr0EnsuresViolation, ldv_list_delErr3RequiresViolation, ldv_list_delErr1RequiresViolation, ldv_list_delErr0RequiresViolation, ldv_list_delErr2RequiresViolation, ldv_m88ts2022_rd_regErr30RequiresViolation, ldv_m88ts2022_rd_regErr25RequiresViolation, ldv_m88ts2022_rd_regErr20RequiresViolation, ldv_m88ts2022_rd_regErr15RequiresViolation, ldv_m88ts2022_rd_regErr2RequiresViolation, ldv_m88ts2022_rd_regErr10RequiresViolation, ldv_m88ts2022_rd_regErr17RequiresViolation, ldv_m88ts2022_rd_regErr22RequiresViolation, ldv_m88ts2022_rd_regErr12RequiresViolation, ldv_m88ts2022_rd_regErr8RequiresViolation, ldv_m88ts2022_rd_regErr31RequiresViolation, ldv_m88ts2022_rd_regErr28RequiresViolation, ldv_m88ts2022_rd_regErr18RequiresViolation, ldv_m88ts2022_rd_regErr21RequiresViolation, ldv_m88ts2022_rd_regErr5RequiresViolation, ldv_m88ts2022_rd_regErr1RequiresViolation, ldv_m88ts2022_rd_regErr11RequiresViolation, ldv_m88ts2022_rd_regErr29RequiresViolation, ldv_m88ts2022_rd_regErr16RequiresViolation, ldv_m88ts2022_rd_regErr24RequiresViolation, ldv_m88ts2022_rd_regErr4RequiresViolation, ldv_m88ts2022_rd_regErr14RequiresViolation, ldv_m88ts2022_rd_regErr6RequiresViolation, ldv_m88ts2022_rd_regErr9RequiresViolation, ldv_m88ts2022_rd_regErr19RequiresViolation, ldv_m88ts2022_rd_regErr27RequiresViolation, ldv_m88ts2022_rd_regErr13RequiresViolation, ldv_m88ts2022_rd_regErr3RequiresViolation, ldv_m88ts2022_rd_regErr23RequiresViolation, ldv_m88ts2022_rd_regErr32RequiresViolation, ldv_m88ts2022_rd_regErr7RequiresViolation, ldv_m88ts2022_rd_regErr33RequiresViolation, ldv_m88ts2022_rd_regErr0RequiresViolation, ldv_m88ts2022_rd_regErr26RequiresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation, __ldv_list_addErr6RequiresViolation, __ldv_list_addErr1RequiresViolation, __ldv_list_addErr7RequiresViolation, __ldv_list_addErr0RequiresViolation, __ldv_list_addErr2RequiresViolation, __ldv_list_addErr4RequiresViolation, __ldv_list_addErr5RequiresViolation, __ldv_list_addErr3RequiresViolation, alloc_fix_12Err4RequiresViolation, alloc_fix_12Err0RequiresViolation, alloc_fix_12Err5RequiresViolation, alloc_fix_12Err12RequiresViolation, alloc_fix_12Err3RequiresViolation, alloc_fix_12Err1RequiresViolation, alloc_fix_12Err13RequiresViolation, alloc_fix_12Err8RequiresViolation, alloc_fix_12Err15RequiresViolation, alloc_fix_12Err10RequiresViolation, alloc_fix_12Err6RequiresViolation, alloc_fix_12Err14RequiresViolation, alloc_fix_12Err11RequiresViolation, alloc_fix_12Err7RequiresViolation, alloc_fix_12Err9RequiresViolation, alloc_fix_12Err2RequiresViolation, master_xferErr0RequiresViolation, master_xferErr3RequiresViolation, master_xferErr1RequiresViolation, master_xferErr2RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, ldv_i2c_transferErr0RequiresViolation, ldv_i2c_transferErr1RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, free_12Err1RequiresViolation, free_12Err6RequiresViolation, free_12Err3RequiresViolation, free_12Err2RequiresViolation, free_12Err0RequiresViolation, free_12Err7RequiresViolation, free_12Err4RequiresViolation, free_12Err5RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_msg_allocErr0RequiresViolation, ldv_msg_allocErr1RequiresViolation]=== [2018-02-04 04:17:00,932 INFO L82 PathProgramCache]: Analyzing trace with hash 18685926, now seen corresponding path program 1 times [2018-02-04 04:17:00,933 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:17:00,934 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:17:00,968 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:17:00,968 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:17:00,968 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:17:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:17:01,068 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:17:01,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:17:01,108 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:17:01,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 04:17:01,110 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 04:17:01,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 04:17:01,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 04:17:01,119 INFO L87 Difference]: Start difference. First operand 398 states. Second operand 3 states. [2018-02-04 04:17:01,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:17:01,616 INFO L93 Difference]: Finished difference Result 487 states and 527 transitions. [2018-02-04 04:17:01,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 04:17:01,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-04 04:17:01,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:17:01,630 INFO L225 Difference]: With dead ends: 487 [2018-02-04 04:17:01,630 INFO L226 Difference]: Without dead ends: 481 [2018-02-04 04:17:01,631 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 04:17:01,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-02-04 04:17:01,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 436. [2018-02-04 04:17:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2018-02-04 04:17:01,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 491 transitions. [2018-02-04 04:17:01,683 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 491 transitions. Word has length 4 [2018-02-04 04:17:01,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:17:01,683 INFO L432 AbstractCegarLoop]: Abstraction has 436 states and 491 transitions. [2018-02-04 04:17:01,683 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 04:17:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 491 transitions. [2018-02-04 04:17:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-04 04:17:01,684 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:17:01,684 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-04 04:17:01,684 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_list_addErr0RequiresViolation, ldv_list_addErr1RequiresViolation, ldv_destroy_msgsErr5RequiresViolation, ldv_destroy_msgsErr3RequiresViolation, ldv_destroy_msgsErr4RequiresViolation, ldv_destroy_msgsErr0RequiresViolation, ldv_destroy_msgsErr2RequiresViolation, ldv_destroy_msgsErr1RequiresViolation, ldv_msg_fillErr3RequiresViolation, ldv_msg_fillErr1RequiresViolation, ldv_msg_fillErr5RequiresViolation, ldv_msg_fillErr0RequiresViolation, ldv_msg_fillErr4RequiresViolation, ldv_msg_fillErr2RequiresViolation, __ldv_list_delErr2RequiresViolation, __ldv_list_delErr0RequiresViolation, __ldv_list_delErr1RequiresViolation, __ldv_list_delErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, ldv_msg_freeErr5RequiresViolation, ldv_msg_freeErr3RequiresViolation, ldv_msg_freeErr1RequiresViolation, ldv_msg_freeErr0RequiresViolation, ldv_msg_freeErr4RequiresViolation, ldv_msg_freeErr2RequiresViolation, mainErr0EnsuresViolation, ldv_list_delErr3RequiresViolation, ldv_list_delErr1RequiresViolation, ldv_list_delErr0RequiresViolation, ldv_list_delErr2RequiresViolation, ldv_m88ts2022_rd_regErr30RequiresViolation, ldv_m88ts2022_rd_regErr25RequiresViolation, ldv_m88ts2022_rd_regErr20RequiresViolation, ldv_m88ts2022_rd_regErr15RequiresViolation, ldv_m88ts2022_rd_regErr2RequiresViolation, ldv_m88ts2022_rd_regErr10RequiresViolation, ldv_m88ts2022_rd_regErr17RequiresViolation, ldv_m88ts2022_rd_regErr22RequiresViolation, ldv_m88ts2022_rd_regErr12RequiresViolation, ldv_m88ts2022_rd_regErr8RequiresViolation, ldv_m88ts2022_rd_regErr31RequiresViolation, ldv_m88ts2022_rd_regErr28RequiresViolation, ldv_m88ts2022_rd_regErr18RequiresViolation, ldv_m88ts2022_rd_regErr21RequiresViolation, ldv_m88ts2022_rd_regErr5RequiresViolation, ldv_m88ts2022_rd_regErr1RequiresViolation, ldv_m88ts2022_rd_regErr11RequiresViolation, ldv_m88ts2022_rd_regErr29RequiresViolation, ldv_m88ts2022_rd_regErr16RequiresViolation, ldv_m88ts2022_rd_regErr24RequiresViolation, ldv_m88ts2022_rd_regErr4RequiresViolation, ldv_m88ts2022_rd_regErr14RequiresViolation, ldv_m88ts2022_rd_regErr6RequiresViolation, ldv_m88ts2022_rd_regErr9RequiresViolation, ldv_m88ts2022_rd_regErr19RequiresViolation, ldv_m88ts2022_rd_regErr27RequiresViolation, ldv_m88ts2022_rd_regErr13RequiresViolation, ldv_m88ts2022_rd_regErr3RequiresViolation, ldv_m88ts2022_rd_regErr23RequiresViolation, ldv_m88ts2022_rd_regErr32RequiresViolation, ldv_m88ts2022_rd_regErr7RequiresViolation, ldv_m88ts2022_rd_regErr33RequiresViolation, ldv_m88ts2022_rd_regErr0RequiresViolation, ldv_m88ts2022_rd_regErr26RequiresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation, __ldv_list_addErr6RequiresViolation, __ldv_list_addErr1RequiresViolation, __ldv_list_addErr7RequiresViolation, __ldv_list_addErr0RequiresViolation, __ldv_list_addErr2RequiresViolation, __ldv_list_addErr4RequiresViolation, __ldv_list_addErr5RequiresViolation, __ldv_list_addErr3RequiresViolation, alloc_fix_12Err4RequiresViolation, alloc_fix_12Err0RequiresViolation, alloc_fix_12Err5RequiresViolation, alloc_fix_12Err12RequiresViolation, alloc_fix_12Err3RequiresViolation, alloc_fix_12Err1RequiresViolation, alloc_fix_12Err13RequiresViolation, alloc_fix_12Err8RequiresViolation, alloc_fix_12Err15RequiresViolation, alloc_fix_12Err10RequiresViolation, alloc_fix_12Err6RequiresViolation, alloc_fix_12Err14RequiresViolation, alloc_fix_12Err11RequiresViolation, alloc_fix_12Err7RequiresViolation, alloc_fix_12Err9RequiresViolation, alloc_fix_12Err2RequiresViolation, master_xferErr0RequiresViolation, master_xferErr3RequiresViolation, master_xferErr1RequiresViolation, master_xferErr2RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, ldv_i2c_transferErr0RequiresViolation, ldv_i2c_transferErr1RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, free_12Err1RequiresViolation, free_12Err6RequiresViolation, free_12Err3RequiresViolation, free_12Err2RequiresViolation, free_12Err0RequiresViolation, free_12Err7RequiresViolation, free_12Err4RequiresViolation, free_12Err5RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_msg_allocErr0RequiresViolation, ldv_msg_allocErr1RequiresViolation]=== [2018-02-04 04:17:01,684 INFO L82 PathProgramCache]: Analyzing trace with hash 18685927, now seen corresponding path program 1 times [2018-02-04 04:17:01,685 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:17:01,685 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:17:01,686 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:17:01,686 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:17:01,686 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:17:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:17:01,700 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:17:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:17:01,786 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:17:01,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 04:17:01,787 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 04:17:01,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 04:17:01,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 04:17:01,788 INFO L87 Difference]: Start difference. First operand 436 states and 491 transitions. Second operand 3 states. [2018-02-04 04:17:01,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:17:01,951 INFO L93 Difference]: Finished difference Result 567 states and 652 transitions. [2018-02-04 04:17:01,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 04:17:01,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-04 04:17:01,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:17:01,955 INFO L225 Difference]: With dead ends: 567 [2018-02-04 04:17:01,955 INFO L226 Difference]: Without dead ends: 567 [2018-02-04 04:17:01,955 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 04:17:01,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2018-02-04 04:17:01,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 497. [2018-02-04 04:17:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-02-04 04:17:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 602 transitions. [2018-02-04 04:17:01,979 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 602 transitions. Word has length 4 [2018-02-04 04:17:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:17:01,980 INFO L432 AbstractCegarLoop]: Abstraction has 497 states and 602 transitions. [2018-02-04 04:17:01,980 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 04:17:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 602 transitions. [2018-02-04 04:17:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 04:17:01,981 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:17:01,981 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:17:01,981 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ldv_list_addErr0RequiresViolation, ldv_list_addErr1RequiresViolation, ldv_destroy_msgsErr5RequiresViolation, ldv_destroy_msgsErr3RequiresViolation, ldv_destroy_msgsErr4RequiresViolation, ldv_destroy_msgsErr0RequiresViolation, ldv_destroy_msgsErr2RequiresViolation, ldv_destroy_msgsErr1RequiresViolation, ldv_msg_fillErr3RequiresViolation, ldv_msg_fillErr1RequiresViolation, ldv_msg_fillErr5RequiresViolation, ldv_msg_fillErr0RequiresViolation, ldv_msg_fillErr4RequiresViolation, ldv_msg_fillErr2RequiresViolation, __ldv_list_delErr2RequiresViolation, __ldv_list_delErr0RequiresViolation, __ldv_list_delErr1RequiresViolation, __ldv_list_delErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, ldv_msg_freeErr5RequiresViolation, ldv_msg_freeErr3RequiresViolation, ldv_msg_freeErr1RequiresViolation, ldv_msg_freeErr0RequiresViolation, ldv_msg_freeErr4RequiresViolation, ldv_msg_freeErr2RequiresViolation, mainErr0EnsuresViolation, ldv_list_delErr3RequiresViolation, ldv_list_delErr1RequiresViolation, ldv_list_delErr0RequiresViolation, ldv_list_delErr2RequiresViolation, ldv_m88ts2022_rd_regErr30RequiresViolation, ldv_m88ts2022_rd_regErr25RequiresViolation, ldv_m88ts2022_rd_regErr20RequiresViolation, ldv_m88ts2022_rd_regErr15RequiresViolation, ldv_m88ts2022_rd_regErr2RequiresViolation, ldv_m88ts2022_rd_regErr10RequiresViolation, ldv_m88ts2022_rd_regErr17RequiresViolation, ldv_m88ts2022_rd_regErr22RequiresViolation, ldv_m88ts2022_rd_regErr12RequiresViolation, ldv_m88ts2022_rd_regErr8RequiresViolation, ldv_m88ts2022_rd_regErr31RequiresViolation, ldv_m88ts2022_rd_regErr28RequiresViolation, ldv_m88ts2022_rd_regErr18RequiresViolation, ldv_m88ts2022_rd_regErr21RequiresViolation, ldv_m88ts2022_rd_regErr5RequiresViolation, ldv_m88ts2022_rd_regErr1RequiresViolation, ldv_m88ts2022_rd_regErr11RequiresViolation, ldv_m88ts2022_rd_regErr29RequiresViolation, ldv_m88ts2022_rd_regErr16RequiresViolation, ldv_m88ts2022_rd_regErr24RequiresViolation, ldv_m88ts2022_rd_regErr4RequiresViolation, ldv_m88ts2022_rd_regErr14RequiresViolation, ldv_m88ts2022_rd_regErr6RequiresViolation, ldv_m88ts2022_rd_regErr9RequiresViolation, ldv_m88ts2022_rd_regErr19RequiresViolation, ldv_m88ts2022_rd_regErr27RequiresViolation, ldv_m88ts2022_rd_regErr13RequiresViolation, ldv_m88ts2022_rd_regErr3RequiresViolation, ldv_m88ts2022_rd_regErr23RequiresViolation, ldv_m88ts2022_rd_regErr32RequiresViolation, ldv_m88ts2022_rd_regErr7RequiresViolation, ldv_m88ts2022_rd_regErr33RequiresViolation, ldv_m88ts2022_rd_regErr0RequiresViolation, ldv_m88ts2022_rd_regErr26RequiresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation, __ldv_list_addErr6RequiresViolation, __ldv_list_addErr1RequiresViolation, __ldv_list_addErr7RequiresViolation, __ldv_list_addErr0RequiresViolation, __ldv_list_addErr2RequiresViolation, __ldv_list_addErr4RequiresViolation, __ldv_list_addErr5RequiresViolation, __ldv_list_addErr3RequiresViolation, alloc_fix_12Err4RequiresViolation, alloc_fix_12Err0RequiresViolation, alloc_fix_12Err5RequiresViolation, alloc_fix_12Err12RequiresViolation, alloc_fix_12Err3RequiresViolation, alloc_fix_12Err1RequiresViolation, alloc_fix_12Err13RequiresViolation, alloc_fix_12Err8RequiresViolation, alloc_fix_12Err15RequiresViolation, alloc_fix_12Err10RequiresViolation, alloc_fix_12Err6RequiresViolation, alloc_fix_12Err14RequiresViolation, alloc_fix_12Err11RequiresViolation, alloc_fix_12Err7RequiresViolation, alloc_fix_12Err9RequiresViolation, alloc_fix_12Err2RequiresViolation, master_xferErr0RequiresViolation, master_xferErr3RequiresViolation, master_xferErr1RequiresViolation, master_xferErr2RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, ldv_i2c_transferErr0RequiresViolation, ldv_i2c_transferErr1RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, free_12Err1RequiresViolation, free_12Err6RequiresViolation, free_12Err3RequiresViolation, free_12Err2RequiresViolation, free_12Err0RequiresViolation, free_12Err7RequiresViolation, free_12Err4RequiresViolation, free_12Err5RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_msg_allocErr0RequiresViolation, ldv_msg_allocErr1RequiresViolation]=== [2018-02-04 04:17:01,981 INFO L82 PathProgramCache]: Analyzing trace with hash -769194584, now seen corresponding path program 1 times [2018-02-04 04:17:01,981 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:17:01,981 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:17:01,983 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:17:01,983 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:17:01,983 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:17:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:17:02,007 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:17:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:17:02,065 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:17:02,065 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 04:17:02,066 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:17:02,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:17:02,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 04:17:02,066 INFO L87 Difference]: Start difference. First operand 497 states and 602 transitions. Second operand 6 states. [2018-02-04 04:17:02,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:17:02,194 INFO L93 Difference]: Finished difference Result 543 states and 666 transitions. [2018-02-04 04:17:02,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:17:02,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-02-04 04:17:02,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:17:02,198 INFO L225 Difference]: With dead ends: 543 [2018-02-04 04:17:02,199 INFO L226 Difference]: Without dead ends: 543 [2018-02-04 04:17:02,199 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 04:17:02,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2018-02-04 04:17:02,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 496. [2018-02-04 04:17:02,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-02-04 04:17:02,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 604 transitions. [2018-02-04 04:17:02,217 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 604 transitions. Word has length 21 [2018-02-04 04:17:02,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:17:02,217 INFO L432 AbstractCegarLoop]: Abstraction has 496 states and 604 transitions. [2018-02-04 04:17:02,217 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:17:02,217 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 604 transitions. [2018-02-04 04:17:02,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 04:17:02,218 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:17:02,218 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:17:02,218 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ldv_list_addErr0RequiresViolation, ldv_list_addErr1RequiresViolation, ldv_destroy_msgsErr5RequiresViolation, ldv_destroy_msgsErr3RequiresViolation, ldv_destroy_msgsErr4RequiresViolation, ldv_destroy_msgsErr0RequiresViolation, ldv_destroy_msgsErr2RequiresViolation, ldv_destroy_msgsErr1RequiresViolation, ldv_msg_fillErr3RequiresViolation, ldv_msg_fillErr1RequiresViolation, ldv_msg_fillErr5RequiresViolation, ldv_msg_fillErr0RequiresViolation, ldv_msg_fillErr4RequiresViolation, ldv_msg_fillErr2RequiresViolation, __ldv_list_delErr2RequiresViolation, __ldv_list_delErr0RequiresViolation, __ldv_list_delErr1RequiresViolation, __ldv_list_delErr3RequiresViolation, ldv_kobject_cleanupErr4RequiresViolation, ldv_kobject_cleanupErr2RequiresViolation, ldv_kobject_cleanupErr5RequiresViolation, ldv_kobject_cleanupErr3RequiresViolation, ldv_kobject_cleanupErr0RequiresViolation, ldv_kobject_cleanupErr1RequiresViolation, ldv_msg_freeErr5RequiresViolation, ldv_msg_freeErr3RequiresViolation, ldv_msg_freeErr1RequiresViolation, ldv_msg_freeErr0RequiresViolation, ldv_msg_freeErr4RequiresViolation, ldv_msg_freeErr2RequiresViolation, mainErr0EnsuresViolation, ldv_list_delErr3RequiresViolation, ldv_list_delErr1RequiresViolation, ldv_list_delErr0RequiresViolation, ldv_list_delErr2RequiresViolation, ldv_m88ts2022_rd_regErr30RequiresViolation, ldv_m88ts2022_rd_regErr25RequiresViolation, ldv_m88ts2022_rd_regErr20RequiresViolation, ldv_m88ts2022_rd_regErr15RequiresViolation, ldv_m88ts2022_rd_regErr2RequiresViolation, ldv_m88ts2022_rd_regErr10RequiresViolation, ldv_m88ts2022_rd_regErr17RequiresViolation, ldv_m88ts2022_rd_regErr22RequiresViolation, ldv_m88ts2022_rd_regErr12RequiresViolation, ldv_m88ts2022_rd_regErr8RequiresViolation, ldv_m88ts2022_rd_regErr31RequiresViolation, ldv_m88ts2022_rd_regErr28RequiresViolation, ldv_m88ts2022_rd_regErr18RequiresViolation, ldv_m88ts2022_rd_regErr21RequiresViolation, ldv_m88ts2022_rd_regErr5RequiresViolation, ldv_m88ts2022_rd_regErr1RequiresViolation, ldv_m88ts2022_rd_regErr11RequiresViolation, ldv_m88ts2022_rd_regErr29RequiresViolation, ldv_m88ts2022_rd_regErr16RequiresViolation, ldv_m88ts2022_rd_regErr24RequiresViolation, ldv_m88ts2022_rd_regErr4RequiresViolation, ldv_m88ts2022_rd_regErr14RequiresViolation, ldv_m88ts2022_rd_regErr6RequiresViolation, ldv_m88ts2022_rd_regErr9RequiresViolation, ldv_m88ts2022_rd_regErr19RequiresViolation, ldv_m88ts2022_rd_regErr27RequiresViolation, ldv_m88ts2022_rd_regErr13RequiresViolation, ldv_m88ts2022_rd_regErr3RequiresViolation, ldv_m88ts2022_rd_regErr23RequiresViolation, ldv_m88ts2022_rd_regErr32RequiresViolation, ldv_m88ts2022_rd_regErr7RequiresViolation, ldv_m88ts2022_rd_regErr33RequiresViolation, ldv_m88ts2022_rd_regErr0RequiresViolation, ldv_m88ts2022_rd_regErr26RequiresViolation, LDV_INIT_LIST_HEADErr1RequiresViolation, LDV_INIT_LIST_HEADErr3RequiresViolation, LDV_INIT_LIST_HEADErr2RequiresViolation, LDV_INIT_LIST_HEADErr0RequiresViolation, __ldv_list_addErr6RequiresViolation, __ldv_list_addErr1RequiresViolation, __ldv_list_addErr7RequiresViolation, __ldv_list_addErr0RequiresViolation, __ldv_list_addErr2RequiresViolation, __ldv_list_addErr4RequiresViolation, __ldv_list_addErr5RequiresViolation, __ldv_list_addErr3RequiresViolation, alloc_fix_12Err4RequiresViolation, alloc_fix_12Err0RequiresViolation, alloc_fix_12Err5RequiresViolation, alloc_fix_12Err12RequiresViolation, alloc_fix_12Err3RequiresViolation, alloc_fix_12Err1RequiresViolation, alloc_fix_12Err13RequiresViolation, alloc_fix_12Err8RequiresViolation, alloc_fix_12Err15RequiresViolation, alloc_fix_12Err10RequiresViolation, alloc_fix_12Err6RequiresViolation, alloc_fix_12Err14RequiresViolation, alloc_fix_12Err11RequiresViolation, alloc_fix_12Err7RequiresViolation, alloc_fix_12Err9RequiresViolation, alloc_fix_12Err2RequiresViolation, master_xferErr0RequiresViolation, master_xferErr3RequiresViolation, master_xferErr1RequiresViolation, master_xferErr2RequiresViolation, ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr0RequiresViolation, ldv_i2c_transferErr0RequiresViolation, ldv_i2c_transferErr1RequiresViolation, ldv_dev_set_drvdataErr0RequiresViolation, ldv_dev_set_drvdataErr1RequiresViolation, free_12Err1RequiresViolation, free_12Err6RequiresViolation, free_12Err3RequiresViolation, free_12Err2RequiresViolation, free_12Err0RequiresViolation, free_12Err7RequiresViolation, free_12Err4RequiresViolation, free_12Err5RequiresViolation, ldv_dev_get_drvdataErr1RequiresViolation, ldv_dev_get_drvdataErr0RequiresViolation, entry_pointErr5RequiresViolation, entry_pointErr14RequiresViolation, entry_pointErr18RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr13RequiresViolation, entry_pointErr19RequiresViolation, entry_pointErr6RequiresViolation, entry_pointErr8RequiresViolation, entry_pointErr11RequiresViolation, entry_pointErr3RequiresViolation, entry_pointErr16RequiresViolation, entry_pointErr7RequiresViolation, entry_pointErr12RequiresViolation, entry_pointErr15RequiresViolation, entry_pointErr17RequiresViolation, entry_pointErr4RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr9RequiresViolation, entry_pointErr10RequiresViolation, ldv_msg_allocErr0RequiresViolation, ldv_msg_allocErr1RequiresViolation]=== [2018-02-04 04:17:02,218 INFO L82 PathProgramCache]: Analyzing trace with hash 976272294, now seen corresponding path program 1 times [2018-02-04 04:17:02,219 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-04 04:17:02,219 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-04 04:17:02,220 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:17:02,220 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-04 04:17:02,221 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-04 04:17:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:17:02,241 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 04:17:02,256 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unknown lemma type! at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) 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:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 04:17:02,259 INFO L168 Benchmark]: Toolchain (without parser) took 2411.15 ms. Allocated memory was 399.0 MB in the beginning and 625.5 MB in the end (delta: 226.5 MB). Free memory was 355.7 MB in the beginning and 472.6 MB in the end (delta: -116.9 MB). Peak memory consumption was 109.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:17:02,260 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 399.0 MB. Free memory is still 362.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:17:02,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.26 ms. Allocated memory is still 399.0 MB. Free memory was 355.7 MB in the beginning and 338.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 5.3 GB. [2018-02-04 04:17:02,261 INFO L168 Benchmark]: Boogie Preprocessor took 39.01 ms. Allocated memory is still 399.0 MB. Free memory was 338.2 MB in the beginning and 335.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:17:02,262 INFO L168 Benchmark]: RCFGBuilder took 738.66 ms. Allocated memory was 399.0 MB in the beginning and 425.7 MB in the end (delta: 26.7 MB). Free memory was 335.6 MB in the beginning and 382.4 MB in the end (delta: -46.8 MB). Peak memory consumption was 100.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:17:02,262 INFO L168 Benchmark]: TraceAbstraction took 1411.28 ms. Allocated memory was 425.7 MB in the beginning and 625.5 MB in the end (delta: 199.8 MB). Free memory was 382.4 MB in the beginning and 472.6 MB in the end (delta: -90.1 MB). Peak memory consumption was 109.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:17:02,264 INFO L344 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 399.0 MB. Free memory is still 362.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 219.26 ms. Allocated memory is still 399.0 MB. Free memory was 355.7 MB in the beginning and 338.2 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.01 ms. Allocated memory is still 399.0 MB. Free memory was 338.2 MB in the beginning and 335.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 738.66 ms. Allocated memory was 399.0 MB in the beginning and 425.7 MB in the end (delta: 26.7 MB). Free memory was 335.6 MB in the beginning and 382.4 MB in the end (delta: -46.8 MB). Peak memory consumption was 100.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1411.28 ms. Allocated memory was 425.7 MB in the beginning and 625.5 MB in the end (delta: 199.8 MB). Free memory was 382.4 MB in the beginning and 472.6 MB in the end (delta: -90.1 MB). Peak memory consumption was 109.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test12_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-17-02-271.csv Received shutdown request...