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/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loops/trex04_true-unreach-call_false-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:26:23,616 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:26:23,619 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:26:23,637 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:26:23,637 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:26:23,639 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:26:23,640 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:26:23,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:26:23,645 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:26:23,651 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:26:23,652 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:26:23,652 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:26:23,654 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:26:23,655 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:26:23,656 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:26:23,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:26:23,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:26:23,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:26:23,668 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:26:23,672 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:26:23,673 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:26:23,675 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:26:23,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-11-23 11:26:23,692 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 11:26:23,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:26:23,720 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:26:23,721 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:26:23,721 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:26:23,721 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:26:23,724 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:26:23,725 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:26:23,725 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:26:23,725 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:26:23,725 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:26:23,726 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:26:23,726 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:26:23,726 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:26:23,726 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:26:23,726 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:26:23,727 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:26:23,727 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:26:23,727 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:26:23,728 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:26:23,728 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:26:23,728 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:26:23,728 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:26:23,728 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:26:23,729 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:26:23,729 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:26:23,729 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:26:23,729 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:26:23,729 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:26:23,731 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:26:23,731 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:26:23,731 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:26:23,731 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:26:23,732 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:26:23,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:26:23,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:26:23,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:26:23,820 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:26:23,821 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:26:23,822 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex04_true-unreach-call_false-termination.i [2018-11-23 11:26:23,905 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1b004c1/26acb00e7fcb408fa1844d2af48a32ef/FLAG468a4935f [2018-11-23 11:26:24,373 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:26:24,373 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex04_true-unreach-call_false-termination.i [2018-11-23 11:26:24,379 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1b004c1/26acb00e7fcb408fa1844d2af48a32ef/FLAG468a4935f [2018-11-23 11:26:24,745 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1b004c1/26acb00e7fcb408fa1844d2af48a32ef [2018-11-23 11:26:24,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:26:24,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:26:24,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:26:24,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:26:24,764 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:26:24,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:24" (1/1) ... [2018-11-23 11:26:24,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e0472e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:24, skipping insertion in model container [2018-11-23 11:26:24,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:24" (1/1) ... [2018-11-23 11:26:24,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:26:24,806 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:26:25,055 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:26:25,069 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:26:25,096 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:26:25,116 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:26:25,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25 WrapperNode [2018-11-23 11:26:25,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:26:25,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:26:25,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:26:25,118 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:26:25,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (1/1) ... [2018-11-23 11:26:25,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (1/1) ... [2018-11-23 11:26:25,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:26:25,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:26:25,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:26:25,144 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:26:25,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (1/1) ... [2018-11-23 11:26:25,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (1/1) ... [2018-11-23 11:26:25,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (1/1) ... [2018-11-23 11:26:25,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (1/1) ... [2018-11-23 11:26:25,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (1/1) ... [2018-11-23 11:26:25,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (1/1) ... [2018-11-23 11:26:25,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (1/1) ... [2018-11-23 11:26:25,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:26:25,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:26:25,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:26:25,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:26:25,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (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 [2018-11-23 11:26:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:26:25,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:26:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-11-23 11:26:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-11-23 11:26:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:26:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:26:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:26:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:26:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:26:25,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:26:25,877 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:26:25,877 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:26:25,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:25 BoogieIcfgContainer [2018-11-23 11:26:25,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:26:25,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:26:25,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:26:25,882 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:26:25,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:26:24" (1/3) ... [2018-11-23 11:26:25,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2942a82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:26:25, skipping insertion in model container [2018-11-23 11:26:25,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:25" (2/3) ... [2018-11-23 11:26:25,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2942a82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:26:25, skipping insertion in model container [2018-11-23 11:26:25,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:25" (3/3) ... [2018-11-23 11:26:25,886 INFO L112 eAbstractionObserver]: Analyzing ICFG trex04_true-unreach-call_false-termination.i [2018-11-23 11:26:25,895 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:26:25,904 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:26:25,922 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:26:25,954 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:26:25,954 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:26:25,955 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:26:25,955 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:26:25,955 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:26:25,955 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:26:25,956 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:26:25,956 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:26:25,956 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:26:25,975 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2018-11-23 11:26:25,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 11:26:25,982 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:26:25,983 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:26:25,986 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:26:25,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:26:25,991 INFO L82 PathProgramCache]: Analyzing trace with hash 10597761, now seen corresponding path program 1 times [2018-11-23 11:26:25,995 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:26:25,996 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 [2018-11-23 11:26:26,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:26:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:26:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:26:26,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:26:26,472 INFO L256 TraceCheckUtils]: 0: Hoare triple {33#true} call ULTIMATE.init(); {33#true} is VALID [2018-11-23 11:26:26,478 INFO L273 TraceCheckUtils]: 1: Hoare triple {33#true} assume true; {33#true} is VALID [2018-11-23 11:26:26,479 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {33#true} {33#true} #75#return; {33#true} is VALID [2018-11-23 11:26:26,479 INFO L256 TraceCheckUtils]: 3: Hoare triple {33#true} call #t~ret9 := main(); {33#true} is VALID [2018-11-23 11:26:26,480 INFO L273 TraceCheckUtils]: 4: Hoare triple {33#true} ~d~0 := 1bv32;~x~0 := #t~nondet4;havoc #t~nondet4; {33#true} is VALID [2018-11-23 11:26:26,480 INFO L273 TraceCheckUtils]: 5: Hoare triple {33#true} assume !!(~bvsle32(~x~0, 1000000bv32) && ~bvsge32(~x~0, 4293967296bv32));~c1~1 := #t~nondet5;havoc #t~nondet5;~c2~1 := #t~nondet6;havoc #t~nondet6; {33#true} is VALID [2018-11-23 11:26:26,481 INFO L273 TraceCheckUtils]: 6: Hoare triple {33#true} assume 0bv8 != ~c1~1;~d~0 := ~bvsub32(~d~0, 1bv32); {33#true} is VALID [2018-11-23 11:26:26,481 INFO L273 TraceCheckUtils]: 7: Hoare triple {33#true} assume !(0bv8 != ~c2~1); {33#true} is VALID [2018-11-23 11:26:26,481 INFO L273 TraceCheckUtils]: 8: Hoare triple {33#true} ~c1~1 := #t~nondet7;havoc #t~nondet7;~c2~1 := #t~nondet8;havoc #t~nondet8; {33#true} is VALID [2018-11-23 11:26:26,482 INFO L273 TraceCheckUtils]: 9: Hoare triple {33#true} assume !(0bv8 != ~c1~1); {33#true} is VALID [2018-11-23 11:26:26,482 INFO L273 TraceCheckUtils]: 10: Hoare triple {33#true} assume !(0bv8 != ~c2~1); {33#true} is VALID [2018-11-23 11:26:26,496 INFO L273 TraceCheckUtils]: 11: Hoare triple {33#true} assume !~bvsgt32(~x~0, 0bv32); {71#(not (bvsgt main_~x~0 (_ bv0 32)))} is VALID [2018-11-23 11:26:26,509 INFO L256 TraceCheckUtils]: 12: Hoare triple {71#(not (bvsgt main_~x~0 (_ bv0 32)))} call __VERIFIER_assert((if ~bvsle32(~x~0, 0bv32) then 1bv32 else 0bv32)); {75#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:26:26,522 INFO L273 TraceCheckUtils]: 13: Hoare triple {75#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {79#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:26:26,536 INFO L273 TraceCheckUtils]: 14: Hoare triple {79#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {34#false} is VALID [2018-11-23 11:26:26,536 INFO L273 TraceCheckUtils]: 15: Hoare triple {34#false} assume !false; {34#false} is VALID [2018-11-23 11:26:26,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:26:26,541 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:26:26,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:26:26,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:26:26,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-23 11:26:26,562 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:26:26,566 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 11:26:26,663 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:26:26,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:26:26,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:26:26,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:26:26,675 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 5 states. [2018-11-23 11:26:27,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:26:27,217 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2018-11-23 11:26:27,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 11:26:27,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-23 11:26:27,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:26:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:26:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 52 transitions. [2018-11-23 11:26:27,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 11:26:27,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 52 transitions. [2018-11-23 11:26:27,237 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 52 transitions. [2018-11-23 11:26:27,446 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:26:27,455 INFO L225 Difference]: With dead ends: 41 [2018-11-23 11:26:27,455 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:26:27,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:26:27,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:26:27,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:26:27,489 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:26:27,489 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-23 11:26:27,490 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:26:27,491 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:26:27,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:26:27,492 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:26:27,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:26:27,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:26:27,492 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:26:27,493 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-23 11:26:27,493 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-23 11:26:27,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:26:27,493 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-23 11:26:27,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:26:27,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:26:27,494 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:26:27,494 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:26:27,495 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:26:27,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:26:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:26:27,498 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-11-23 11:26:27,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:26:27,499 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:26:27,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:26:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:26:27,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:26:27,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:26:27,931 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 11:26:27,932 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:26:27,932 INFO L448 ceAbstractionStarter]: For program point fooEXIT(lines 11 18) no Hoare annotation was computed. [2018-11-23 11:26:27,932 INFO L451 ceAbstractionStarter]: At program point fooENTRY(lines 11 18) the Hoare annotation is: true [2018-11-23 11:26:27,932 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-11-23 11:26:27,933 INFO L448 ceAbstractionStarter]: For program point L16-1(lines 11 18) no Hoare annotation was computed. [2018-11-23 11:26:27,933 INFO L448 ceAbstractionStarter]: For program point L15-2(lines 12 18) no Hoare annotation was computed. [2018-11-23 11:26:27,933 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:26:27,933 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 11:26:27,933 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:26:27,934 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:26:27,934 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 11:26:27,934 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 19 35) no Hoare annotation was computed. [2018-11-23 11:26:27,934 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-11-23 11:26:27,934 INFO L448 ceAbstractionStarter]: For program point L25-2(lines 20 35) no Hoare annotation was computed. [2018-11-23 11:26:27,935 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 19 35) no Hoare annotation was computed. [2018-11-23 11:26:27,935 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 19 35) the Hoare annotation is: true [2018-11-23 11:26:27,935 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 35) no Hoare annotation was computed. [2018-11-23 11:26:27,935 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 11:26:27,935 INFO L444 ceAbstractionStarter]: At program point L30-2(lines 30 33) the Hoare annotation is: (not (bvsgt main_~x~0 (_ bv0 32))) [2018-11-23 11:26:27,936 INFO L451 ceAbstractionStarter]: At program point L28-1(line 28) the Hoare annotation is: true [2018-11-23 11:26:27,936 INFO L451 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: true [2018-11-23 11:26:27,936 INFO L448 ceAbstractionStarter]: For program point L28-3(lines 20 35) no Hoare annotation was computed. [2018-11-23 11:26:27,936 INFO L448 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-11-23 11:26:27,937 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-23 11:26:27,937 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:26:27,937 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 11:26:27,937 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 11:26:27,937 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-23 11:26:27,938 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-23 11:26:27,940 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:26:27,940 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-23 11:26:27,940 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2018-11-23 11:26:27,941 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:26:27,941 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-23 11:26:27,941 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-23 11:26:27,941 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2018-11-23 11:26:27,941 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:26:27,942 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2018-11-23 11:26:27,942 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2018-11-23 11:26:27,942 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:26:27,942 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-23 11:26:27,942 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2018-11-23 11:26:27,943 WARN L170 areAnnotationChecker]: L15-2 has no Hoare annotation [2018-11-23 11:26:27,943 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-23 11:26:27,943 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:26:27,943 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2018-11-23 11:26:27,943 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2018-11-23 11:26:27,943 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:26:27,944 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-23 11:26:27,944 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-23 11:26:27,944 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2018-11-23 11:26:27,944 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-23 11:26:27,944 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2018-11-23 11:26:27,944 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2018-11-23 11:26:27,945 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-23 11:26:27,945 WARN L170 areAnnotationChecker]: fooEXIT has no Hoare annotation [2018-11-23 11:26:27,945 WARN L170 areAnnotationChecker]: fooEXIT has no Hoare annotation [2018-11-23 11:26:27,945 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2018-11-23 11:26:27,945 WARN L170 areAnnotationChecker]: L26-2 has no Hoare annotation [2018-11-23 11:26:27,946 WARN L170 areAnnotationChecker]: L28-3 has no Hoare annotation [2018-11-23 11:26:27,946 WARN L170 areAnnotationChecker]: L28-3 has no Hoare annotation [2018-11-23 11:26:27,946 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2018-11-23 11:26:27,946 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2018-11-23 11:26:27,946 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2018-11-23 11:26:27,946 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2018-11-23 11:26:27,947 WARN L170 areAnnotationChecker]: L30-1 has no Hoare annotation [2018-11-23 11:26:27,947 WARN L170 areAnnotationChecker]: L28-3 has no Hoare annotation [2018-11-23 11:26:27,947 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-23 11:26:27,947 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-23 11:26:27,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:26:27 BoogieIcfgContainer [2018-11-23 11:26:27,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:26:27,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:26:27,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:26:27,951 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:26:27,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:25" (3/4) ... [2018-11-23 11:26:27,956 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:26:27,965 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:26:27,965 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2018-11-23 11:26:27,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:26:27,966 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 11:26:27,972 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 11:26:27,972 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 11:26:27,973 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 11:26:28,033 INFO L145 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/loops/trex04_true-unreach-call_false-termination.i-witness.graphml [2018-11-23 11:26:28,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:26:28,035 INFO L168 Benchmark]: Toolchain (without parser) took 3278.26 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 692.1 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -622.8 MB). Peak memory consumption was 69.3 MB. Max. memory is 7.1 GB. [2018-11-23 11:26:28,037 INFO L168 Benchmark]: CDTParser took 0.24 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. [2018-11-23 11:26:28,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.12 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. [2018-11-23 11:26:28,039 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.77 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. [2018-11-23 11:26:28,039 INFO L168 Benchmark]: Boogie Preprocessor took 33.92 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. [2018-11-23 11:26:28,040 INFO L168 Benchmark]: RCFGBuilder took 699.53 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 692.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -714.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2018-11-23 11:26:28,040 INFO L168 Benchmark]: TraceAbstraction took 2071.83 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 80.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2018-11-23 11:26:28,041 INFO L168 Benchmark]: Witness Printer took 83.06 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-23 11:26:28,045 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 0.24 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. * CACSL2BoogieTranslator took 358.12 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 Procedure Inliner took 25.77 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. * Boogie Preprocessor took 33.92 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 699.53 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 692.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -714.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2071.83 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 80.9 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * Witness Printer took 83.06 ms. Allocated memory is still 2.2 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 35 SDtfs, 6 SDslu, 96 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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, 9 LocationsWithAnnotation, 11 PreInvPairs, 12 NumberOfFragments, 12 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 390 SizeOfPredicates, 2 NumberOfNonLiveVariables, 30 ConjunctsInSsa, 4 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...