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/ldv-memsafety/memleaks_test17_2_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 11:07:44,428 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 11:07:44,429 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 11:07:44,439 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 11:07:44,439 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 11:07:44,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 11:07:44,441 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 11:07:44,442 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 11:07:44,444 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 11:07:44,444 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 11:07:44,445 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 11:07:44,445 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 11:07:44,445 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 11:07:44,447 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 11:07:44,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 11:07:44,450 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 11:07:44,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 11:07:44,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 11:07:44,454 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 11:07:44,455 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 11:07:44,457 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 11:07:44,462 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 11:07:44,462 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 11:07:44,463 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 11:07:44,473 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 11:07:44,473 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 11:07:44,475 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 11:07:44,475 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 11:07:44,475 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 11:07:44,475 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 11:07:44,475 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 11:07:44,475 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 11:07:44,476 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 11:07:44,476 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 11:07:44,476 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 11:07:44,476 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 11:07:44,476 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 11:07:44,476 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 11:07:44,477 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 11:07:44,477 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 11:07:44,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 11:07:44,477 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 11:07:44,477 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 11:07:44,477 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 11:07:44,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 11:07:44,478 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 11:07:44,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-02 11:07:44,478 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-02 11:07:44,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-02 11:07:44,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 11:07:44,518 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 11:07:44,522 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 11:07:44,523 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 11:07:44,523 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 11:07:44,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-02-02 11:07:44,676 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 11:07:44,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 11:07:44,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 11:07:44,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 11:07:44,684 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 11:07:44,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 11:07:44" (1/1) ... [2018-02-02 11:07:44,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe7432b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44, skipping insertion in model container [2018-02-02 11:07:44,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 11:07:44" (1/1) ... [2018-02-02 11:07:44,702 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 11:07:44,739 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 11:07:44,831 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 11:07:44,846 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 11:07:44,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44 WrapperNode [2018-02-02 11:07:44,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 11:07:44,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 11:07:44,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 11:07:44,853 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 11:07:44,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44" (1/1) ... [2018-02-02 11:07:44,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44" (1/1) ... [2018-02-02 11:07:44,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44" (1/1) ... [2018-02-02 11:07:44,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44" (1/1) ... [2018-02-02 11:07:44,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44" (1/1) ... [2018-02-02 11:07:44,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44" (1/1) ... [2018-02-02 11:07:44,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44" (1/1) ... [2018-02-02 11:07:44,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 11:07:44,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 11:07:44,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 11:07:44,883 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 11:07:44,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44" (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 11:07:44,919 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 11:07:44,919 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 11:07:44,920 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_positive [2018-02-02 11:07:44,920 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-02 11:07:44,920 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_17 [2018-02-02 11:07:44,920 INFO L136 BoogieDeclarations]: Found implementation of procedure free_17 [2018-02-02 11:07:44,920 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-02 11:07:44,920 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 11:07:44,920 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 11:07:44,920 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 11:07:44,920 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 11:07:44,920 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_positive [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_17 [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure free_17 [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 11:07:44,921 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 11:07:45,146 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 11:07:45,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 11:07:45 BoogieIcfgContainer [2018-02-02 11:07:45,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 11:07:45,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 11:07:45,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 11:07:45,149 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 11:07:45,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 11:07:44" (1/3) ... [2018-02-02 11:07:45,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48632052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 11:07:45, skipping insertion in model container [2018-02-02 11:07:45,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 11:07:44" (2/3) ... [2018-02-02 11:07:45,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48632052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 11:07:45, skipping insertion in model container [2018-02-02 11:07:45,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 11:07:45" (3/3) ... [2018-02-02 11:07:45,152 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2_true-valid-memsafety_true-termination.i [2018-02-02 11:07:45,159 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 11:07:45,164 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-02-02 11:07:45,199 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 11:07:45,199 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 11:07:45,199 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-02 11:07:45,199 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 11:07:45,199 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 11:07:45,199 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 11:07:45,200 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 11:07:45,200 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 11:07:45,200 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 11:07:45,216 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-02-02 11:07:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-02 11:07:45,225 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:07:45,226 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:07:45,226 INFO L371 AbstractCegarLoop]: === Iteration 1 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-02 11:07:45,230 INFO L82 PathProgramCache]: Analyzing trace with hash 280514151, 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 11:07:45,243 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:07:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:45,390 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 11:07:45,421 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:07:45,421 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 11:07:45,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:07:45,422 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 11:07:45,422 INFO L182 omatonBuilderFactory]: Interpolants [85#true, 117#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 86#false, 90#(= |#valid| |old(#valid)|), 107#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 108#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-02 11:07:45,423 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 11:07:45,424 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 11:07:45,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 11:07:45,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-02-02 11:07:45,437 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 6 states. [2018-02-02 11:07:45,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:07:45,801 INFO L93 Difference]: Finished difference Result 166 states and 199 transitions. [2018-02-02 11:07:45,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 11:07:45,802 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-02-02 11:07:45,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:07:45,811 INFO L225 Difference]: With dead ends: 166 [2018-02-02 11:07:45,812 INFO L226 Difference]: Without dead ends: 159 [2018-02-02 11:07:45,813 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2018-02-02 11:07:45,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-02-02 11:07:45,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 83. [2018-02-02 11:07:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-02-02 11:07:45,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2018-02-02 11:07:45,885 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 23 [2018-02-02 11:07:45,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:07:45,886 INFO L432 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2018-02-02 11:07:45,886 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 11:07:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-02-02 11:07:45,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-02 11:07:45,887 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:07:45,888 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:07:45,888 INFO L371 AbstractCegarLoop]: === Iteration 2 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-02 11:07:45,888 INFO L82 PathProgramCache]: Analyzing trace with hash 279746761, 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 11:07:45,892 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:07:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:45,963 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 11:07:45,994 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:07:45,994 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-02 11:07:45,994 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:07:45,995 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 11:07:45,995 INFO L182 omatonBuilderFactory]: Interpolants [385#(and (= 0 |entry_point_#t~ret12.base|) (= 0 |entry_point_#t~ret12.offset|)), 386#(and (= entry_point_~array~0.base 0) (= entry_point_~array~0.offset 0)), 387#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 372#true, 388#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 373#false, 389#(and (= 0 |ldv_malloc_#res.offset|) (= 0 |ldv_malloc_#res.base|))] [2018-02-02 11:07:45,995 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 11:07:45,997 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 11:07:45,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 11:07:45,997 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-02 11:07:45,997 INFO L87 Difference]: Start difference. First operand 83 states and 92 transitions. Second operand 7 states. [2018-02-02 11:07:46,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:07:46,258 INFO L93 Difference]: Finished difference Result 117 states and 131 transitions. [2018-02-02 11:07:46,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 11:07:46,259 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-02-02 11:07:46,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:07:46,260 INFO L225 Difference]: With dead ends: 117 [2018-02-02 11:07:46,260 INFO L226 Difference]: Without dead ends: 115 [2018-02-02 11:07:46,261 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-02-02 11:07:46,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-02-02 11:07:46,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 81. [2018-02-02 11:07:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-02-02 11:07:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 89 transitions. [2018-02-02 11:07:46,268 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 89 transitions. Word has length 23 [2018-02-02 11:07:46,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:07:46,268 INFO L432 AbstractCegarLoop]: Abstraction has 81 states and 89 transitions. [2018-02-02 11:07:46,268 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 11:07:46,268 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2018-02-02 11:07:46,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-02 11:07:46,269 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:07:46,269 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:07:46,269 INFO L371 AbstractCegarLoop]: === Iteration 3 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-02 11:07:46,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1161746679, 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 11:07:46,280 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:07:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:46,349 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 11:07:46,365 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:07:46,365 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-02 11:07:46,365 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:07:46,366 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 11:07:46,366 INFO L182 omatonBuilderFactory]: Interpolants [597#true, 598#false, 632#(not (= 0 |entry_point_#t~ret12.base|)), 633#(not (= 0 entry_point_~array~0.base)), 634#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 635#(not (= 0 |ldv_malloc_#t~malloc2.base|)), 620#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 636#(not (= 0 |ldv_malloc_#res.base|)), 621#(and (= |#valid| |old(#valid)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))] [2018-02-02 11:07:46,366 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 11:07:46,366 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 11:07:46,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 11:07:46,367 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-02-02 11:07:46,367 INFO L87 Difference]: Start difference. First operand 81 states and 89 transitions. Second operand 9 states. [2018-02-02 11:07:46,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:07:46,640 INFO L93 Difference]: Finished difference Result 134 states and 152 transitions. [2018-02-02 11:07:46,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 11:07:46,641 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-02-02 11:07:46,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:07:46,642 INFO L225 Difference]: With dead ends: 134 [2018-02-02 11:07:46,642 INFO L226 Difference]: Without dead ends: 134 [2018-02-02 11:07:46,642 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-02-02 11:07:46,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-02-02 11:07:46,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 81. [2018-02-02 11:07:46,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-02-02 11:07:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2018-02-02 11:07:46,649 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 25 [2018-02-02 11:07:46,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:07:46,649 INFO L432 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2018-02-02 11:07:46,649 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 11:07:46,649 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2018-02-02 11:07:46,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-02 11:07:46,650 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:07:46,650 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:07:46,650 INFO L371 AbstractCegarLoop]: === Iteration 4 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-02 11:07:46,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1162514069, 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 11:07:46,653 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:07:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:46,715 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 11:07:46,732 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 11:07:46,732 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-02 11:07:46,732 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 11:07:46,732 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 11:07:46,732 INFO L182 omatonBuilderFactory]: Interpolants [880#(= 1 (select |#valid| |ldv_malloc_#res.base|)), 874#(= 1 (select |#valid| |entry_point_#t~ret12.base|)), 859#true, 875#(= 1 (select |#valid| entry_point_~array~0.base)), 860#false, 876#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 877#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 878#(= |#valid| |old(#valid)|), 879#(= 1 (select |#valid| |ldv_malloc_#t~malloc2.base|))] [2018-02-02 11:07:46,733 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 11:07:46,733 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 11:07:46,733 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 11:07:46,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-02 11:07:46,733 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand 9 states. [2018-02-02 11:07:46,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 11:07:46,961 INFO L93 Difference]: Finished difference Result 116 states and 131 transitions. [2018-02-02 11:07:46,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 11:07:46,961 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2018-02-02 11:07:46,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 11:07:46,962 INFO L225 Difference]: With dead ends: 116 [2018-02-02 11:07:46,962 INFO L226 Difference]: Without dead ends: 116 [2018-02-02 11:07:46,962 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-02 11:07:46,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-02-02 11:07:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 101. [2018-02-02 11:07:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-02-02 11:07:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 119 transitions. [2018-02-02 11:07:46,967 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 119 transitions. Word has length 25 [2018-02-02 11:07:46,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 11:07:46,968 INFO L432 AbstractCegarLoop]: Abstraction has 101 states and 119 transitions. [2018-02-02 11:07:46,968 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 11:07:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 119 transitions. [2018-02-02 11:07:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-02 11:07:46,968 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 11:07:46,968 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 11:07:46,968 INFO L371 AbstractCegarLoop]: === Iteration 5 === [alloc_17Err4RequiresViolation, alloc_17Err6RequiresViolation, alloc_17Err2RequiresViolation, alloc_17Err0RequiresViolation, alloc_17Err1RequiresViolation, alloc_17Err7RequiresViolation, alloc_17Err3RequiresViolation, alloc_17Err5RequiresViolation, mainErr0EnsuresViolation, free_17Err3RequiresViolation, free_17Err1RequiresViolation, free_17Err2RequiresViolation, free_17Err0RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, entry_pointErr2RequiresViolation, entry_pointErr3RequiresViolation]=== [2018-02-02 11:07:46,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1162514068, 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 [2018-02-02 11:07:46,971 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 11:07:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 11:07:46,998 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 121 column 570: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool 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 11:07:47,000 INFO L168 Benchmark]: Toolchain (without parser) took 2323.40 ms. Allocated memory was 401.1 MB in the beginning and 634.4 MB in the end (delta: 233.3 MB). Free memory was 355.0 MB in the beginning and 593.5 MB in the end (delta: -238.4 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 11:07:47,001 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 401.1 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 11:07:47,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.86 ms. Allocated memory is still 401.1 MB. Free memory was 355.0 MB in the beginning and 341.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-02 11:07:47,002 INFO L168 Benchmark]: Boogie Preprocessor took 29.71 ms. Allocated memory is still 401.1 MB. Free memory was 341.8 MB in the beginning and 340.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 5.3 GB. [2018-02-02 11:07:47,002 INFO L168 Benchmark]: RCFGBuilder took 264.13 ms. Allocated memory is still 401.1 MB. Free memory was 339.1 MB in the beginning and 313.8 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. [2018-02-02 11:07:47,003 INFO L168 Benchmark]: TraceAbstraction took 1852.81 ms. Allocated memory was 401.1 MB in the beginning and 634.4 MB in the end (delta: 233.3 MB). Free memory was 313.8 MB in the beginning and 593.5 MB in the end (delta: -279.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 11:07:47,005 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 401.1 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 173.86 ms. Allocated memory is still 401.1 MB. Free memory was 355.0 MB in the beginning and 341.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.71 ms. Allocated memory is still 401.1 MB. Free memory was 341.8 MB in the beginning and 340.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 5.3 GB. * RCFGBuilder took 264.13 ms. Allocated memory is still 401.1 MB. Free memory was 339.1 MB in the beginning and 313.8 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1852.81 ms. Allocated memory was 401.1 MB in the beginning and 634.4 MB in the end (delta: 233.3 MB). Free memory was 313.8 MB in the beginning and 593.5 MB in the end (delta: -279.7 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 121 column 570: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 121 column 570: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$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/memleaks_test17_2_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_11-07-47-013.csv Received shutdown request...