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/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/memsafety/lockfree-3.0_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:56:05,874 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:56:05,875 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:56:05,885 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:56:05,885 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:56:05,886 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:56:05,886 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:56:05,887 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:56:05,888 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:56:05,889 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:56:05,890 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:56:05,890 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:56:05,891 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:56:05,892 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:56:05,892 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:56:05,894 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:56:05,896 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:56:05,897 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:56:05,898 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:56:05,899 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:56:05,901 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 10:56:05,901 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 10:56:05,901 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 10:56:05,902 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 10:56:05,902 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 10:56:05,903 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 10:56:05,903 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 10:56:05,904 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 10:56:05,904 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 10:56:05,904 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 10:56:05,905 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 10:56:05,905 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-02 10:56:05,914 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:56:05,915 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:56:05,915 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:56:05,916 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:56:05,916 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:56:05,916 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:56:05,916 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:56:05,916 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:56:05,916 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:56:05,917 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:56:05,917 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:56:05,917 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:56:05,917 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:56:05,917 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:56:05,917 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:56:05,917 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:56:05,918 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:56:05,918 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:56:05,918 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:56:05,918 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:56:05,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:56:05,918 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:56:05,918 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-02 10:56:05,919 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-02 10:56:05,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 10:56:05,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:56:05,954 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:56:05,956 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:56:05,957 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:56:05,957 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:56:05,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/lockfree-3.0_true-valid-memsafety.i [2018-02-02 10:56:06,078 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:56:06,079 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:56:06,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:56:06,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:56:06,084 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:56:06,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:56:06" (1/1) ... [2018-02-02 10:56:06,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49389d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06, skipping insertion in model container [2018-02-02 10:56:06,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:56:06" (1/1) ... [2018-02-02 10:56:06,098 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:56:06,125 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:56:06,221 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:56:06,237 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:56:06,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06 WrapperNode [2018-02-02 10:56:06,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:56:06,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:56:06,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:56:06,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:56:06,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06" (1/1) ... [2018-02-02 10:56:06,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06" (1/1) ... [2018-02-02 10:56:06,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06" (1/1) ... [2018-02-02 10:56:06,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06" (1/1) ... [2018-02-02 10:56:06,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06" (1/1) ... [2018-02-02 10:56:06,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06" (1/1) ... [2018-02-02 10:56:06,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06" (1/1) ... [2018-02-02 10:56:06,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:56:06,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:56:06,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:56:06,276 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:56:06,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06" (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 [2018-02-02 10:56:06,314 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:56:06,314 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:56:06,314 INFO L136 BoogieDeclarations]: Found implementation of procedure push [2018-02-02 10:56:06,314 INFO L136 BoogieDeclarations]: Found implementation of procedure pop [2018-02-02 10:56:06,315 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:56:06,315 INFO L128 BoogieDeclarations]: Found specification of procedure push [2018-02-02 10:56:06,316 INFO L128 BoogieDeclarations]: Found specification of procedure pop [2018-02-02 10:56:06,316 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:56:06,316 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:56:06,316 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:56:06,545 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:56:06,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:56:06 BoogieIcfgContainer [2018-02-02 10:56:06,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:56:06,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:56:06,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:56:06,548 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:56:06,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:56:06" (1/3) ... [2018-02-02 10:56:06,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416f3940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:56:06, skipping insertion in model container [2018-02-02 10:56:06,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:56:06" (2/3) ... [2018-02-02 10:56:06,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416f3940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:56:06, skipping insertion in model container [2018-02-02 10:56:06,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:56:06" (3/3) ... [2018-02-02 10:56:06,551 INFO L107 eAbstractionObserver]: Analyzing ICFG lockfree-3.0_true-valid-memsafety.i [2018-02-02 10:56:06,558 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:56:06,562 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-02-02 10:56:06,590 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:56:06,590 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:56:06,590 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-02 10:56:06,590 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:56:06,590 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:56:06,590 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:56:06,590 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:56:06,590 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:56:06,591 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:56:06,603 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-02-02 10:56:06,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-02 10:56:06,611 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:56:06,612 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:56:06,612 INFO L371 AbstractCegarLoop]: === Iteration 1 === [popErr2RequiresViolation, popErr5RequiresViolation, popErr4RequiresViolation, popErr3RequiresViolation, popErr0RequiresViolation, popErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation, pushErr5RequiresViolation, pushErr3RequiresViolation, pushErr0RequiresViolation, pushErr1RequiresViolation, pushErr7RequiresViolation, pushErr6RequiresViolation, pushErr2RequiresViolation, pushErr4RequiresViolation]=== [2018-02-02 10:56:06,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1799126466, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 10:56:06,624 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:56:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:56:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:56:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:56:06,764 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:56:06,764 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:56:06,765 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:56:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:56:06,766 INFO L182 omatonBuilderFactory]: Interpolants [80#false, 84#(and (= ~pc4 |old(~pc4)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~garbage.base |old(~garbage.base)|) (= ~garbage.offset |old(~garbage.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~S.offset |old(~S.offset)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~S.base |old(~S.base)|) (= ~pc1 |old(~pc1)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|)), 79#true] [2018-02-02 10:56:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:56:06,767 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:56:06,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:56:06,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:56:06,781 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 3 states. [2018-02-02 10:56:07,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:56:07,024 INFO L93 Difference]: Finished difference Result 95 states and 118 transitions. [2018-02-02 10:56:07,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:56:07,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-02-02 10:56:07,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:56:07,037 INFO L225 Difference]: With dead ends: 95 [2018-02-02 10:56:07,037 INFO L226 Difference]: Without dead ends: 89 [2018-02-02 10:56:07,039 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:56:07,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-02-02 10:56:07,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 79. [2018-02-02 10:56:07,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-02-02 10:56:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2018-02-02 10:56:07,127 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 9 [2018-02-02 10:56:07,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:56:07,127 INFO L432 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2018-02-02 10:56:07,127 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:56:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2018-02-02 10:56:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-02 10:56:07,128 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:56:07,128 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:56:07,128 INFO L371 AbstractCegarLoop]: === Iteration 2 === [popErr2RequiresViolation, popErr5RequiresViolation, popErr4RequiresViolation, popErr3RequiresViolation, popErr0RequiresViolation, popErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation, pushErr5RequiresViolation, pushErr3RequiresViolation, pushErr0RequiresViolation, pushErr1RequiresViolation, pushErr7RequiresViolation, pushErr6RequiresViolation, pushErr2RequiresViolation, pushErr4RequiresViolation]=== [2018-02-02 10:56:07,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1199640283, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 10:56:07,134 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:56:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:56:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:56:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:56:07,234 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:56:07,234 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 10:56:07,234 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:56:07,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:56:07,235 INFO L182 omatonBuilderFactory]: Interpolants [259#true, 260#false, 264#|main_#t~short13|, 265#(and (= ~pc4 |old(~pc4)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~garbage.base |old(~garbage.base)|) (= ~garbage.offset |old(~garbage.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~S.offset |old(~S.offset)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~S.base |old(~S.base)|) (= ~pc1 |old(~pc1)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|))] [2018-02-02 10:56:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:56:07,236 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:56:07,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:56:07,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:56:07,237 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand 4 states. [2018-02-02 10:56:07,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:56:07,437 INFO L93 Difference]: Finished difference Result 91 states and 113 transitions. [2018-02-02 10:56:07,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:56:07,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-02-02 10:56:07,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:56:07,440 INFO L225 Difference]: With dead ends: 91 [2018-02-02 10:56:07,440 INFO L226 Difference]: Without dead ends: 91 [2018-02-02 10:56:07,441 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:56:07,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-02-02 10:56:07,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 80. [2018-02-02 10:56:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-02-02 10:56:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 99 transitions. [2018-02-02 10:56:07,449 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 99 transitions. Word has length 12 [2018-02-02 10:56:07,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:56:07,449 INFO L432 AbstractCegarLoop]: Abstraction has 80 states and 99 transitions. [2018-02-02 10:56:07,449 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:56:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2018-02-02 10:56:07,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-02-02 10:56:07,450 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:56:07,450 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:56:07,450 INFO L371 AbstractCegarLoop]: === Iteration 3 === [popErr2RequiresViolation, popErr5RequiresViolation, popErr4RequiresViolation, popErr3RequiresViolation, popErr0RequiresViolation, popErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation, pushErr5RequiresViolation, pushErr3RequiresViolation, pushErr0RequiresViolation, pushErr1RequiresViolation, pushErr7RequiresViolation, pushErr6RequiresViolation, pushErr2RequiresViolation, pushErr4RequiresViolation]=== [2018-02-02 10:56:07,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1201487325, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 10:56:07,453 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:56:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:56:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:56:07,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:56:07,567 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:56:07,567 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:56:07,567 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:56:07,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:56:07,568 INFO L182 omatonBuilderFactory]: Interpolants [439#true, 440#false, 444#(and (= 0 ~garbage.base) (= 0 ~garbage.offset)), 445#(and (= ~pc4 |old(~pc4)|) (= ~res4~0 |old(~res4~0)|) (= ~x4~0.base |old(~x4~0.base)|) (= ~garbage.base |old(~garbage.base)|) (= ~garbage.offset |old(~garbage.offset)|) (= ~x1~0.offset |old(~x1~0.offset)|) (= ~S.offset |old(~S.offset)|) (= ~t1~0.base |old(~t1~0.base)|) (= ~S.base |old(~S.base)|) (= ~pc1 |old(~pc1)|) (= |#valid| |old(#valid)|) (= ~x1~0.base |old(~x1~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~x4~0.offset |old(~x4~0.offset)|) (= ~t4~0.base |old(~t4~0.base)|) (= ~t1~0.offset |old(~t1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~t4~0.offset |old(~t4~0.offset)|))] [2018-02-02 10:56:07,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:56:07,568 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:56:07,568 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:56:07,568 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:56:07,569 INFO L87 Difference]: Start difference. First operand 80 states and 99 transitions. Second operand 4 states. [2018-02-02 10:56:07,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:56:07,775 INFO L93 Difference]: Finished difference Result 142 states and 182 transitions. [2018-02-02 10:56:07,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:56:07,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-02-02 10:56:07,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:56:07,776 INFO L225 Difference]: With dead ends: 142 [2018-02-02 10:56:07,776 INFO L226 Difference]: Without dead ends: 140 [2018-02-02 10:56:07,777 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:56:07,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-02-02 10:56:07,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 117. [2018-02-02 10:56:07,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-02-02 10:56:07,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 163 transitions. [2018-02-02 10:56:07,782 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 163 transitions. Word has length 12 [2018-02-02 10:56:07,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:56:07,783 INFO L432 AbstractCegarLoop]: Abstraction has 117 states and 163 transitions. [2018-02-02 10:56:07,783 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:56:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 163 transitions. [2018-02-02 10:56:07,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 10:56:07,783 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:56:07,783 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:56:07,784 INFO L371 AbstractCegarLoop]: === Iteration 4 === [popErr2RequiresViolation, popErr5RequiresViolation, popErr4RequiresViolation, popErr3RequiresViolation, popErr0RequiresViolation, popErr1RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation, pushErr5RequiresViolation, pushErr3RequiresViolation, pushErr0RequiresViolation, pushErr1RequiresViolation, pushErr7RequiresViolation, pushErr6RequiresViolation, pushErr2RequiresViolation, pushErr4RequiresViolation]=== [2018-02-02 10:56:07,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1628464921, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 10:56:07,788 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:56:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:56:07,824 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (and (not |push_#t~switch1_11|) (not (= |old(~pc1)_10| 2)) false) false))) (rewrite a!1)) [2018-02-02 10:56:07,825 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 210 column 352: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) 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.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) 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.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) 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) [2018-02-02 10:56:07,827 INFO L168 Benchmark]: Toolchain (without parser) took 1748.63 ms. Allocated memory was 403.7 MB in the beginning and 608.2 MB in the end (delta: 204.5 MB). Free memory was 360.2 MB in the beginning and 454.9 MB in the end (delta: -94.7 MB). Peak memory consumption was 109.8 MB. Max. memory is 5.3 GB. [2018-02-02 10:56:07,828 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 403.7 MB. Free memory is still 366.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:56:07,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.04 ms. Allocated memory is still 403.7 MB. Free memory was 360.2 MB in the beginning and 349.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:56:07,829 INFO L168 Benchmark]: Boogie Preprocessor took 29.88 ms. Allocated memory is still 403.7 MB. Free memory was 349.6 MB in the beginning and 347.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:56:07,829 INFO L168 Benchmark]: RCFGBuilder took 269.40 ms. Allocated memory is still 403.7 MB. Free memory was 347.0 MB in the beginning and 319.0 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. [2018-02-02 10:56:07,830 INFO L168 Benchmark]: TraceAbstraction took 1280.65 ms. Allocated memory was 403.7 MB in the beginning and 608.2 MB in the end (delta: 204.5 MB). Free memory was 319.0 MB in the beginning and 454.9 MB in the end (delta: -135.9 MB). Peak memory consumption was 68.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:56:07,832 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 403.7 MB. Free memory is still 366.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 166.04 ms. Allocated memory is still 403.7 MB. Free memory was 360.2 MB in the beginning and 349.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.88 ms. Allocated memory is still 403.7 MB. Free memory was 349.6 MB in the beginning and 347.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 269.40 ms. Allocated memory is still 403.7 MB. Free memory was 347.0 MB in the beginning and 319.0 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1280.65 ms. Allocated memory was 403.7 MB in the beginning and 608.2 MB in the end (delta: 204.5 MB). Free memory was 319.0 MB in the beginning and 454.9 MB in the end (delta: -135.9 MB). Peak memory consumption was 68.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 210 column 352: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 210 column 352: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) 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/lockfree-3.0_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-56-07-840.csv Received shutdown request...