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_z3.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-queue_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:54:23,618 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:54:23,619 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:54:23,630 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:54:23,631 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:54:23,631 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:54:23,632 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:54:23,634 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:54:23,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:54:23,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:54:23,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:54:23,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:54:23,638 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:54:23,639 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:54:23,639 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:54:23,641 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:54:23,643 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:54:23,644 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:54:23,645 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:54:23,646 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:54:23,648 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:54:23,648 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:54:23,648 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:54:23,649 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:54:23,650 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:54:23,651 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:54:23,651 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:54:23,651 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:54:23,652 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:54:23,652 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:54:23,652 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:54:23,652 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 04:54:23,662 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:54:23,662 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:54:23,663 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:54:23,663 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:54:23,663 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:54:23,663 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:54:23,664 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:54:23,664 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:54:23,664 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:54:23,664 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:54:23,664 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:54:23,664 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:54:23,664 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:54:23,665 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:54:23,665 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:54:23,665 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:54:23,665 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:54:23,665 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:54:23,665 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:54:23,665 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:54:23,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:54:23,666 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:54:23,666 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:54:23,666 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:54:23,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:23,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:54:23,697 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:54:23,699 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:54:23,700 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:54:23,700 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:54:23,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-queue_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:54:23,818 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:54:23,819 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:54:23,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:54:23,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:54:23,825 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:54:23,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:54:23" (1/1) ... [2018-02-04 04:54:23,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe6d48a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23, skipping insertion in model container [2018-02-04 04:54:23,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:54:23" (1/1) ... [2018-02-04 04:54:23,844 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:54:23,874 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:54:23,964 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:54:23,979 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:54:23,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23 WrapperNode [2018-02-04 04:54:23,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:54:23,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:54:23,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:54:23,987 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:54:23,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23" (1/1) ... [2018-02-04 04:54:23,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23" (1/1) ... [2018-02-04 04:54:24,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23" (1/1) ... [2018-02-04 04:54:24,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23" (1/1) ... [2018-02-04 04:54:24,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23" (1/1) ... [2018-02-04 04:54:24,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23" (1/1) ... [2018-02-04 04:54:24,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23" (1/1) ... [2018-02-04 04:54:24,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:54:24,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:54:24,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:54:24,017 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:54:24,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23" (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 04:54:24,049 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:54:24,049 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:54:24,049 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:54:24,049 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:54:24,049 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:54:24,049 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:54:24,049 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:54:24,050 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:54:24,050 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:54:24,050 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:54:24,050 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:54:24,050 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:54:24,050 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:54:24,050 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 04:54:24,050 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:54:24,050 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:54:24,050 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:54:24,451 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:54:24,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:54:24 BoogieIcfgContainer [2018-02-04 04:54:24,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:54:24,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:54:24,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:54:24,456 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:54:24,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:54:23" (1/3) ... [2018-02-04 04:54:24,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248cfb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:54:24, skipping insertion in model container [2018-02-04 04:54:24,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:54:23" (2/3) ... [2018-02-04 04:54:24,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248cfb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:54:24, skipping insertion in model container [2018-02-04 04:54:24,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:54:24" (3/3) ... [2018-02-04 04:54:24,459 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-queue_true-unreach-call_true-valid-memsafety.i [2018-02-04 04:54:24,465 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:54:24,470 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 61 error locations. [2018-02-04 04:54:24,501 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:54:24,502 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:54:24,502 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:54:24,502 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:54:24,502 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:54:24,502 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:54:24,502 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:54:24,502 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:54:24,503 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:54:24,519 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-02-04 04:54:24,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:54:24,527 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:24,528 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:24,528 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:24,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1694878026, 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 [2018-02-04 04:54:24,543 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:24,566 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:24,577 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:24,577 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:24,578 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:24,578 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:24,610 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:54:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:24,637 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 04:54:24,668 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:24,668 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:24,669 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:24,669 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 04:54:24,670 INFO L182 omatonBuilderFactory]: Interpolants [176#false, 180#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 181#(= 1 (select |#valid| |main_#t~malloc0.base|)), 182#(= 1 (select |#valid| main_~head~0.base)), 183#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 175#true] [2018-02-04 04:54:24,670 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 04:54:24,671 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:24,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:24,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:24,684 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 6 states. [2018-02-04 04:54:25,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:25,074 INFO L93 Difference]: Finished difference Result 173 states and 184 transitions. [2018-02-04 04:54:25,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:54:25,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:54:25,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:25,084 INFO L225 Difference]: With dead ends: 173 [2018-02-04 04:54:25,084 INFO L226 Difference]: Without dead ends: 169 [2018-02-04 04:54:25,086 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=35, Unknown=3, NotChecked=12, Total=72 [2018-02-04 04:54:25,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-02-04 04:54:25,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 161. [2018-02-04 04:54:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-02-04 04:54:25,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 173 transitions. [2018-02-04 04:54:25,182 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 173 transitions. Word has length 8 [2018-02-04 04:54:25,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:25,182 INFO L432 AbstractCegarLoop]: Abstraction has 161 states and 173 transitions. [2018-02-04 04:54:25,182 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:25,182 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 173 transitions. [2018-02-04 04:54:25,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 04:54:25,183 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:25,183 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:25,183 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:25,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1694878027, 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 [2018-02-04 04:54:25,186 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:25,195 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:25,198 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,198 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,199 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,199 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,214 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:54:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:25,237 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 04:54:25,256 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:25,256 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:25,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:25,257 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 04:54:25,257 INFO L182 omatonBuilderFactory]: Interpolants [529#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 530#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 531#(and (<= (+ main_~head~0.offset 4) (select |#length| main_~head~0.base)) (<= 0 main_~head~0.offset)), 532#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 524#true, 525#false] [2018-02-04 04:54:25,257 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 04:54:25,258 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:25,258 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:25,258 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:25,259 INFO L87 Difference]: Start difference. First operand 161 states and 173 transitions. Second operand 6 states. [2018-02-04 04:54:25,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:25,519 INFO L93 Difference]: Finished difference Result 185 states and 199 transitions. [2018-02-04 04:54:25,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:25,519 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-02-04 04:54:25,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:25,520 INFO L225 Difference]: With dead ends: 185 [2018-02-04 04:54:25,520 INFO L226 Difference]: Without dead ends: 185 [2018-02-04 04:54:25,521 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 04:54:25,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-02-04 04:54:25,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 181. [2018-02-04 04:54:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-02-04 04:54:25,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 196 transitions. [2018-02-04 04:54:25,527 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 196 transitions. Word has length 8 [2018-02-04 04:54:25,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:25,527 INFO L432 AbstractCegarLoop]: Abstraction has 181 states and 196 transitions. [2018-02-04 04:54:25,527 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 196 transitions. [2018-02-04 04:54:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-02-04 04:54:25,528 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:25,528 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:25,528 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:25,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1001611230, 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 [2018-02-04 04:54:25,532 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:25,539 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:25,540 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,541 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,541 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,541 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,548 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:54:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:25,646 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 04:54:25,662 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:25,662 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:25,662 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:25,663 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 04:54:25,663 INFO L182 omatonBuilderFactory]: Interpolants [903#true, 904#false, 908#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 909#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 910#(and (<= 0 (+ main_~head~0.offset 4)) (<= (+ main_~head~0.offset 8) (select |#length| main_~head~0.base))), 911#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:54:25,663 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 04:54:25,663 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:25,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:25,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:25,664 INFO L87 Difference]: Start difference. First operand 181 states and 196 transitions. Second operand 6 states. [2018-02-04 04:54:25,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:25,909 INFO L93 Difference]: Finished difference Result 261 states and 281 transitions. [2018-02-04 04:54:25,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:25,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-02-04 04:54:25,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:25,911 INFO L225 Difference]: With dead ends: 261 [2018-02-04 04:54:25,911 INFO L226 Difference]: Without dead ends: 261 [2018-02-04 04:54:25,911 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-02-04 04:54:25,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-02-04 04:54:25,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 180. [2018-02-04 04:54:25,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-02-04 04:54:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 195 transitions. [2018-02-04 04:54:25,918 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 195 transitions. Word has length 9 [2018-02-04 04:54:25,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:25,918 INFO L432 AbstractCegarLoop]: Abstraction has 180 states and 195 transitions. [2018-02-04 04:54:25,918 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:25,918 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 195 transitions. [2018-02-04 04:54:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-02-04 04:54:25,919 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:25,919 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:25,919 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:25,919 INFO L82 PathProgramCache]: Analyzing trace with hash 985177006, 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 [2018-02-04 04:54:25,925 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:25,934 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:54:25,936 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,936 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,937 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,937 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:54:25,941 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |c_#length| %1 12)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:54:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:25,977 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 04:54:25,993 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:25,993 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 04:54:25,994 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:25,994 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 04:54:25,994 INFO L182 omatonBuilderFactory]: Interpolants [1362#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store %0 %1 12) (store |#length| %1 12)) :qid itp)) :qid itp)), 1363#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 1364#(and (<= 0 (+ main_~head~0.offset 8)) (<= (+ main_~head~0.offset 12) (select |#length| main_~head~0.base))), 1365#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1357#true, 1358#false] [2018-02-04 04:54:25,994 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 04:54:25,994 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 04:54:25,994 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 04:54:25,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-02-04 04:54:25,995 INFO L87 Difference]: Start difference. First operand 180 states and 195 transitions. Second operand 6 states. [2018-02-04 04:54:26,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:26,186 INFO L93 Difference]: Finished difference Result 260 states and 280 transitions. [2018-02-04 04:54:26,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:26,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-02-04 04:54:26,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:26,188 INFO L225 Difference]: With dead ends: 260 [2018-02-04 04:54:26,188 INFO L226 Difference]: Without dead ends: 260 [2018-02-04 04:54:26,188 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=28, Unknown=2, NotChecked=10, Total=56 [2018-02-04 04:54:26,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-02-04 04:54:26,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 179. [2018-02-04 04:54:26,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-02-04 04:54:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 194 transitions. [2018-02-04 04:54:26,197 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 194 transitions. Word has length 10 [2018-02-04 04:54:26,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:26,197 INFO L432 AbstractCegarLoop]: Abstraction has 179 states and 194 transitions. [2018-02-04 04:54:26,198 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 04:54:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 194 transitions. [2018-02-04 04:54:26,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:54:26,198 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:26,198 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:26,198 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:26,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1424550359, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:26,203 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:26,228 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 04:54:26,245 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:54:26,245 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 04:54:26,245 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:54:26,245 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 04:54:26,245 INFO L182 omatonBuilderFactory]: Interpolants [1809#true, 1810#false, 1814#(= 1 (select |#valid| main_~head~0.base)), 1815#(= 1 (select |#valid| main_~item~0.base)), 1816#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:54:26,245 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 04:54:26,245 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 04:54:26,246 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 04:54:26,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 04:54:26,246 INFO L87 Difference]: Start difference. First operand 179 states and 194 transitions. Second operand 5 states. [2018-02-04 04:54:26,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:54:26,388 INFO L93 Difference]: Finished difference Result 183 states and 197 transitions. [2018-02-04 04:54:26,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 04:54:26,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-02-04 04:54:26,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:54:26,389 INFO L225 Difference]: With dead ends: 183 [2018-02-04 04:54:26,389 INFO L226 Difference]: Without dead ends: 183 [2018-02-04 04:54:26,390 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 04:54:26,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-02-04 04:54:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 178. [2018-02-04 04:54:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-02-04 04:54:26,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 195 transitions. [2018-02-04 04:54:26,396 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 195 transitions. Word has length 16 [2018-02-04 04:54:26,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:54:26,396 INFO L432 AbstractCegarLoop]: Abstraction has 178 states and 195 transitions. [2018-02-04 04:54:26,396 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 04:54:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2018-02-04 04:54:26,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:54:26,396 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:54:26,396 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:54:26,397 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr60EnsuresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 04:54:26,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1424550360, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:54:26,399 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:54:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:54:26,431 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |#length_14| |main_#t~malloc0.base_5|))) (* (- 1) (select |#length_14| |main_#t~malloc0.base_5|))))) (rewrite a!1)) [2018-02-04 04:54:26,431 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 95 column 290: 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) [2018-02-04 04:54:26,434 INFO L168 Benchmark]: Toolchain (without parser) took 2615.45 ms. Allocated memory was 403.7 MB in the beginning and 651.7 MB in the end (delta: 248.0 MB). Free memory was 360.6 MB in the beginning and 606.6 MB in the end (delta: -246.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:26,435 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 403.7 MB. Free memory is still 367.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:54:26,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.39 ms. Allocated memory is still 403.7 MB. Free memory was 360.6 MB in the beginning and 348.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:26,436 INFO L168 Benchmark]: Boogie Preprocessor took 30.55 ms. Allocated memory is still 403.7 MB. Free memory was 348.7 MB in the beginning and 346.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:26,436 INFO L168 Benchmark]: RCFGBuilder took 436.28 ms. Allocated memory is still 403.7 MB. Free memory was 346.0 MB in the beginning and 302.8 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:54:26,437 INFO L168 Benchmark]: TraceAbstraction took 1979.26 ms. Allocated memory was 403.7 MB in the beginning and 651.7 MB in the end (delta: 248.0 MB). Free memory was 301.5 MB in the beginning and 606.6 MB in the end (delta: -305.1 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:54:26,439 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 403.7 MB. Free memory is still 367.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 166.39 ms. Allocated memory is still 403.7 MB. Free memory was 360.6 MB in the beginning and 348.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.55 ms. Allocated memory is still 403.7 MB. Free memory was 348.7 MB in the beginning and 346.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 436.28 ms. Allocated memory is still 403.7 MB. Free memory was 346.0 MB in the beginning and 302.8 MB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1979.26 ms. Allocated memory was 403.7 MB in the beginning and 651.7 MB in the end (delta: 248.0 MB). Free memory was 301.5 MB in the beginning and 606.6 MB in the end (delta: -305.1 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 95 column 290: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 95 column 290: 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/dll-queue_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-54-26-447.csv Received shutdown request...