java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector-Const.epf -i ../../../trunk/examples/svcomp/ldv-regression/test15_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 18:14:21,012 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 18:14:21,015 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 18:14:21,028 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 18:14:21,028 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 18:14:21,029 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 18:14:21,030 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 18:14:21,032 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 18:14:21,035 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 18:14:21,036 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 18:14:21,037 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 18:14:21,037 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 18:14:21,038 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 18:14:21,039 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 18:14:21,041 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 18:14:21,042 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 18:14:21,042 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 18:14:21,044 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 18:14:21,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 18:14:21,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 18:14:21,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 18:14:21,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 18:14:21,053 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-14 18:14:21,064 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector-Const.epf [2018-11-14 18:14:21,088 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 18:14:21,088 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 18:14:21,089 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 18:14:21,089 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 18:14:21,090 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 18:14:21,090 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 18:14:21,090 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 18:14:21,091 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 18:14:21,091 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 18:14:21,091 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 18:14:21,091 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 18:14:21,091 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 18:14:21,092 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 18:14:21,092 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 18:14:21,092 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 18:14:21,092 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 18:14:21,092 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 18:14:21,093 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 18:14:21,093 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-14 18:14:21,093 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 18:14:21,093 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 18:14:21,094 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 18:14:21,094 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 18:14:21,094 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 18:14:21,094 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 18:14:21,094 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 18:14:21,095 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 18:14:21,095 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 18:14:21,095 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 18:14:21,095 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 18:14:21,095 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 18:14:21,096 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 18:14:21,096 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 18:14:21,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 18:14:21,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 18:14:21,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 18:14:21,178 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 18:14:21,178 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 18:14:21,179 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test15_true-unreach-call_true-termination.c [2018-11-14 18:14:21,249 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/293c2790c/6ab476c416a944b6b3d16dab1674b20f/FLAGf4fba10df [2018-11-14 18:14:21,700 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 18:14:21,701 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test15_true-unreach-call_true-termination.c [2018-11-14 18:14:21,707 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/293c2790c/6ab476c416a944b6b3d16dab1674b20f/FLAGf4fba10df [2018-11-14 18:14:21,723 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/293c2790c/6ab476c416a944b6b3d16dab1674b20f [2018-11-14 18:14:21,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 18:14:21,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 18:14:21,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 18:14:21,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 18:14:21,741 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 18:14:21,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:14:21" (1/1) ... [2018-11-14 18:14:21,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3181ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:21, skipping insertion in model container [2018-11-14 18:14:21,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:14:21" (1/1) ... [2018-11-14 18:14:21,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 18:14:21,785 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 18:14:21,981 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 18:14:22,002 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 18:14:22,031 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 18:14:22,051 INFO L195 MainTranslator]: Completed translation [2018-11-14 18:14:22,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:22 WrapperNode [2018-11-14 18:14:22,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 18:14:22,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 18:14:22,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 18:14:22,053 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 18:14:22,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:22" (1/1) ... [2018-11-14 18:14:22,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:22" (1/1) ... [2018-11-14 18:14:22,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:22" (1/1) ... [2018-11-14 18:14:22,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:22" (1/1) ... [2018-11-14 18:14:22,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:22" (1/1) ... [2018-11-14 18:14:22,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:22" (1/1) ... [2018-11-14 18:14:22,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:22" (1/1) ... [2018-11-14 18:14:22,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 18:14:22,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 18:14:22,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 18:14:22,095 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 18:14:22,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 18:14:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 18:14:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 18:14:22,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2018-11-14 18:14:22,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 18:14:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 18:14:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-14 18:14:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2018-11-14 18:14:22,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-14 18:14:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-14 18:14:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 18:14:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 18:14:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 18:14:22,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 18:14:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 18:14:22,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-14 18:14:22,697 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 18:14:22,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:14:22 BoogieIcfgContainer [2018-11-14 18:14:22,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 18:14:22,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 18:14:22,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 18:14:22,702 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 18:14:22,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 06:14:21" (1/3) ... [2018-11-14 18:14:22,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd5de1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:14:22, skipping insertion in model container [2018-11-14 18:14:22,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:14:22" (2/3) ... [2018-11-14 18:14:22,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fd5de1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:14:22, skipping insertion in model container [2018-11-14 18:14:22,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:14:22" (3/3) ... [2018-11-14 18:14:22,706 INFO L112 eAbstractionObserver]: Analyzing ICFG test15_true-unreach-call_true-termination.c [2018-11-14 18:14:22,716 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 18:14:22,725 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 18:14:22,743 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 18:14:22,777 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 18:14:22,778 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 18:14:22,778 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 18:14:22,778 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 18:14:22,779 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 18:14:22,779 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 18:14:22,779 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 18:14:22,779 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 18:14:22,779 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 18:14:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-14 18:14:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-14 18:14:22,804 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:14:22,806 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:14:22,808 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:14:22,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:14:22,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times [2018-11-14 18:14:22,819 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:14:22,820 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:14:22,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 18:14:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:14:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:14:22,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:14:23,273 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-11-14 18:14:23,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-11-14 18:14:23,389 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-11-14 18:14:23,509 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-11-14 18:14:23,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-11-14 18:14:23,527 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-14 18:14:23,534 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 18:14:23,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 18:14:23,562 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2018-11-14 18:14:23,571 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 18:14:23,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-11-14 18:14:23,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-11-14 18:14:23,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 18:14:23,860 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 18:14:23,877 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 18:14:23,878 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2018-11-14 18:14:24,054 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-14 18:14:24,399 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-11-14 18:14:24,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-11-14 18:14:24,441 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-14 18:14:24,473 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-11-14 18:14:24,475 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-11-14 18:14:24,480 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-14 18:14:24,503 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-14 18:14:24,504 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:30, output treesize:3 [2018-11-14 18:14:24,507 WARN L383 uantifierElimination]: Trying to double check SDD result, but SMT solver's response was UNKNOWN. [2018-11-14 18:14:24,526 INFO L256 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {21#true} is VALID [2018-11-14 18:14:24,530 INFO L273 TraceCheckUtils]: 1: Hoare triple {21#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {21#true} is VALID [2018-11-14 18:14:24,530 INFO L273 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2018-11-14 18:14:24,530 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #19#return; {21#true} is VALID [2018-11-14 18:14:24,531 INFO L256 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret4 := main(); {21#true} is VALID [2018-11-14 18:14:24,532 INFO L273 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(4bv32);call ~#b~0.base, ~#b~0.offset := #Ultimate.alloc(4bv32);call write~intINTTYPE4(#t~nondet1, ~#b~0.base, ~#b~0.offset, 4bv32);havoc #t~nondet1; {41#(and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_~#b~0.offset| (_ bv0 32)) (= |main_~#a~0.offset| (_ bv0 32)))} is VALID [2018-11-14 18:14:24,534 INFO L256 TraceCheckUtils]: 6: Hoare triple {41#(and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_~#b~0.offset| (_ bv0 32)) (= |main_~#a~0.offset| (_ bv0 32)))} call assign(~#a~0.base, ~#a~0.offset, ~#b~0.base, ~#b~0.offset); {45#(= |old(#memory_int)| |#memory_int|)} is VALID [2018-11-14 18:14:24,535 INFO L273 TraceCheckUtils]: 7: Hoare triple {45#(= |old(#memory_int)| |#memory_int|)} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem0 := read~intINTTYPE4(~pb.base, ~pb.offset, 4bv32);call write~intINTTYPE4(#t~mem0, ~pa.base, ~pa.offset, 4bv32);havoc #t~mem0; {49#(= (store |old(#memory_int)| |assign_#in~pa.base| (store (select |old(#memory_int)| |assign_#in~pa.base|) |assign_#in~pa.offset| (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|))) |#memory_int|)} is VALID [2018-11-14 18:14:24,536 INFO L273 TraceCheckUtils]: 8: Hoare triple {49#(= (store |old(#memory_int)| |assign_#in~pa.base| (store (select |old(#memory_int)| |assign_#in~pa.base|) |assign_#in~pa.offset| (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|))) |#memory_int|)} assume true; {49#(= (store |old(#memory_int)| |assign_#in~pa.base| (store (select |old(#memory_int)| |assign_#in~pa.base|) |assign_#in~pa.offset| (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|))) |#memory_int|)} is VALID [2018-11-14 18:14:24,540 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {49#(= (store |old(#memory_int)| |assign_#in~pa.base| (store (select |old(#memory_int)| |assign_#in~pa.base|) |assign_#in~pa.offset| (select (select |old(#memory_int)| |assign_#in~pb.base|) |assign_#in~pb.offset|))) |#memory_int|)} {41#(and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_~#b~0.offset| (_ bv0 32)) (= |main_~#a~0.offset| (_ bv0 32)))} #23#return; {56#(and (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_~#b~0.offset| (_ bv0 32)) (= |main_~#a~0.offset| (_ bv0 32)))} is VALID [2018-11-14 18:14:24,541 INFO L273 TraceCheckUtils]: 10: Hoare triple {56#(and (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_~#b~0.offset| (_ bv0 32)) (= |main_~#a~0.offset| (_ bv0 32)))} call #t~mem2 := read~intINTTYPE4(~#a~0.base, ~#a~0.offset, 4bv32);call #t~mem3 := read~intINTTYPE4(~#b~0.base, ~#b~0.offset, 4bv32); {60#(= |main_#t~mem3| |main_#t~mem2|)} is VALID [2018-11-14 18:14:24,543 INFO L273 TraceCheckUtils]: 11: Hoare triple {60#(= |main_#t~mem3| |main_#t~mem2|)} assume #t~mem2 != #t~mem3;havoc #t~mem2;havoc #t~mem3; {22#false} is VALID [2018-11-14 18:14:24,543 INFO L273 TraceCheckUtils]: 12: Hoare triple {22#false} assume !false; {22#false} is VALID [2018-11-14 18:14:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:14:24,546 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 18:14:24,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 18:14:24,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-14 18:14:24,556 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-14 18:14:24,559 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 18:14:24,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-14 18:14:24,728 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:14:24,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-14 18:14:24,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-14 18:14:24,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-14 18:14:24,744 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2018-11-14 18:14:25,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:14:25,565 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-11-14 18:14:25,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-14 18:14:25,566 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2018-11-14 18:14:25,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 18:14:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-14 18:14:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2018-11-14 18:14:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-14 18:14:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2018-11-14 18:14:25,585 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 21 transitions. [2018-11-14 18:14:25,700 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:14:25,706 INFO L225 Difference]: With dead ends: 22 [2018-11-14 18:14:25,706 INFO L226 Difference]: Without dead ends: 0 [2018-11-14 18:14:25,710 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-14 18:14:25,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-14 18:14:25,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-14 18:14:25,732 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 18:14:25,733 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-14 18:14:25,733 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 18:14:25,734 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 18:14:25,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:14:25,735 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 18:14:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 18:14:25,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:14:25,735 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:14:25,736 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 18:14:25,736 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 18:14:25,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:14:25,736 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 18:14:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 18:14:25,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:14:25,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:14:25,737 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 18:14:25,738 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 18:14:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-14 18:14:25,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-14 18:14:25,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-11-14 18:14:25,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 18:14:25,740 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-14 18:14:25,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-14 18:14:25,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 18:14:25,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:14:25,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-14 18:14:26,069 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-14 18:14:26,111 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-14 18:14:26,112 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-14 18:14:26,112 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-14 18:14:26,113 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-14 18:14:26,113 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-14 18:14:26,113 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-14 18:14:26,113 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-14 18:14:26,113 INFO L421 ceAbstractionStarter]: At program point L14(lines 9 21) the Hoare annotation is: false [2018-11-14 18:14:26,114 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 9 21) the Hoare annotation is: (= |old(#memory_int)| |#memory_int|) [2018-11-14 18:14:26,114 INFO L425 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2018-11-14 18:14:26,114 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 9 21) no Hoare annotation was computed. [2018-11-14 18:14:26,114 INFO L421 ceAbstractionStarter]: At program point L12(line 12) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_~#b~0.offset| (_ bv0 32)) (= |main_~#a~0.offset| (_ bv0 32))) [2018-11-14 18:14:26,114 INFO L425 ceAbstractionStarter]: For program point L12-1(line 12) no Hoare annotation was computed. [2018-11-14 18:14:26,115 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 9 21) no Hoare annotation was computed. [2018-11-14 18:14:26,117 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-11-14 18:14:26,117 INFO L425 ceAbstractionStarter]: For program point assignEXIT(lines 5 7) no Hoare annotation was computed. [2018-11-14 18:14:26,118 INFO L421 ceAbstractionStarter]: At program point assignENTRY(lines 5 7) the Hoare annotation is: (= |old(#memory_int)| |#memory_int|) [2018-11-14 18:14:26,118 INFO L425 ceAbstractionStarter]: For program point assignFINAL(lines 5 7) no Hoare annotation was computed. [2018-11-14 18:14:26,121 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 18:14:26,136 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2018-11-14 18:14:26,136 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 18:14:26,137 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 18:14:26,138 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2018-11-14 18:14:26,146 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2018-11-14 18:14:26,146 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 18:14:26,146 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 18:14:26,146 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2018-11-14 18:14:26,146 WARN L170 areAnnotationChecker]: assignEXIT has no Hoare annotation [2018-11-14 18:14:26,146 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2018-11-14 18:14:26,147 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2018-11-14 18:14:26,147 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2018-11-14 18:14:26,147 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 18:14:26,147 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 18:14:26,147 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 18:14:26,148 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 18:14:26,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 06:14:26 BoogieIcfgContainer [2018-11-14 18:14:26,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 18:14:26,155 INFO L168 Benchmark]: Toolchain (without parser) took 4420.52 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -627.1 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. [2018-11-14 18:14:26,156 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 18:14:26,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-14 18:14:26,158 INFO L168 Benchmark]: Boogie Preprocessor took 41.65 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-14 18:14:26,159 INFO L168 Benchmark]: RCFGBuilder took 603.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -784.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2018-11-14 18:14:26,159 INFO L168 Benchmark]: TraceAbstraction took 3454.87 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 147.0 MB). Peak memory consumption was 147.0 MB. Max. memory is 7.1 GB. [2018-11-14 18:14:26,163 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 315.28 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.65 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 603.84 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 745.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -784.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3454.87 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 147.0 MB). Peak memory consumption was 147.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 3 SDslu, 30 SDs, 0 SdLazy, 37 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 21 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 9 NumberOfNonLiveVariables, 47 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...