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.epf -i ../../../trunk/examples/svcomp/loop-invariants/const_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-18e5b2d-m [2018-11-18 22:40:02,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 22:40:02,595 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 22:40:02,610 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 22:40:02,611 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 22:40:02,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 22:40:02,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 22:40:02,615 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 22:40:02,617 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 22:40:02,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 22:40:02,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 22:40:02,619 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 22:40:02,619 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 22:40:02,620 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 22:40:02,621 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 22:40:02,622 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 22:40:02,623 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 22:40:02,625 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 22:40:02,627 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 22:40:02,629 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 22:40:02,630 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 22:40:02,632 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 22:40:02,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 22:40:02,637 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 22:40:02,637 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 22:40:02,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 22:40:02,642 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 22:40:02,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 22:40:02,644 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 22:40:02,647 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 22:40:02,647 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 22:40:02,648 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 22:40:02,648 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 22:40:02,649 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 22:40:02,650 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 22:40:02,653 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 22:40:02,653 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 [2018-11-18 22:40:02,683 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 22:40:02,683 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 22:40:02,684 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 22:40:02,684 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 22:40:02,685 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 22:40:02,685 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 22:40:02,685 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 22:40:02,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 22:40:02,686 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 22:40:02,686 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 22:40:02,686 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 22:40:02,686 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 22:40:02,686 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 22:40:02,687 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 22:40:02,687 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 22:40:02,687 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 22:40:02,687 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 22:40:02,687 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 22:40:02,688 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 22:40:02,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 22:40:02,689 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 22:40:02,689 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 22:40:02,690 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 22:40:02,690 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 22:40:02,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 22:40:02,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 22:40:02,691 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 22:40:02,691 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 22:40:02,691 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 22:40:02,691 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 22:40:02,691 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 22:40:02,692 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 22:40:02,692 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 22:40:02,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 22:40:02,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 22:40:02,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 22:40:02,759 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 22:40:02,759 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 22:40:02,760 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/const_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-18 22:40:02,834 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bdc2e61f/1503430a1aa84aa7a400bc64861862cb/FLAG6e52834fa [2018-11-18 22:40:03,333 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 22:40:03,334 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/const_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-18 22:40:03,343 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bdc2e61f/1503430a1aa84aa7a400bc64861862cb/FLAG6e52834fa [2018-11-18 22:40:03,693 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bdc2e61f/1503430a1aa84aa7a400bc64861862cb [2018-11-18 22:40:03,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 22:40:03,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-18 22:40:03,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 22:40:03,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 22:40:03,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 22:40:03,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:40:03" (1/1) ... [2018-11-18 22:40:03,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2531c6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:03, skipping insertion in model container [2018-11-18 22:40:03,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:40:03" (1/1) ... [2018-11-18 22:40:03,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 22:40:03,743 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 22:40:04,018 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 22:40:04,024 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 22:40:04,045 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 22:40:04,063 INFO L195 MainTranslator]: Completed translation [2018-11-18 22:40:04,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:04 WrapperNode [2018-11-18 22:40:04,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 22:40:04,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 22:40:04,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 22:40:04,065 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 22:40:04,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:04" (1/1) ... [2018-11-18 22:40:04,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:04" (1/1) ... [2018-11-18 22:40:04,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:04" (1/1) ... [2018-11-18 22:40:04,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:04" (1/1) ... [2018-11-18 22:40:04,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:04" (1/1) ... [2018-11-18 22:40:04,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:04" (1/1) ... [2018-11-18 22:40:04,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:04" (1/1) ... [2018-11-18 22:40:04,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 22:40:04,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 22:40:04,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 22:40:04,116 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 22:40:04,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:04" (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 [2018-11-18 22:40:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 22:40:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 22:40:04,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 22:40:04,249 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 22:40:04,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 22:40:04,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-18 22:40:04,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 22:40:04,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 22:40:04,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 22:40:04,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 22:40:04,682 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 22:40:04,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:40:04 BoogieIcfgContainer [2018-11-18 22:40:04,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 22:40:04,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 22:40:04,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 22:40:04,688 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 22:40:04,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:40:03" (1/3) ... [2018-11-18 22:40:04,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6800c67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:40:04, skipping insertion in model container [2018-11-18 22:40:04,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:40:04" (2/3) ... [2018-11-18 22:40:04,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6800c67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:40:04, skipping insertion in model container [2018-11-18 22:40:04,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:40:04" (3/3) ... [2018-11-18 22:40:04,692 INFO L112 eAbstractionObserver]: Analyzing ICFG const_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-18 22:40:04,702 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 22:40:04,710 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 22:40:04,728 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 22:40:04,762 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 22:40:04,763 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 22:40:04,763 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 22:40:04,763 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 22:40:04,763 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 22:40:04,763 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 22:40:04,763 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 22:40:04,764 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 22:40:04,764 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 22:40:04,786 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-11-18 22:40:04,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 22:40:04,792 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:40:04,793 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:40:04,796 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:40:04,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:40:04,804 INFO L82 PathProgramCache]: Analyzing trace with hash -2066228947, now seen corresponding path program 1 times [2018-11-18 22:40:04,808 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:40:04,808 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 [2018-11-18 22:40:04,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:40:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:40:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:40:04,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:40:04,979 INFO L256 TraceCheckUtils]: 0: Hoare triple {24#true} call ULTIMATE.init(); {24#true} is VALID [2018-11-18 22:40:04,983 INFO L273 TraceCheckUtils]: 1: Hoare triple {24#true} assume true; {24#true} is VALID [2018-11-18 22:40:04,983 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {24#true} {24#true} #45#return; {24#true} is VALID [2018-11-18 22:40:04,984 INFO L256 TraceCheckUtils]: 3: Hoare triple {24#true} call #t~ret3 := main(); {24#true} is VALID [2018-11-18 22:40:04,986 INFO L273 TraceCheckUtils]: 4: Hoare triple {24#true} ~s~0 := 0bv32; {41#(= main_~s~0 (_ bv0 32))} is VALID [2018-11-18 22:40:04,988 INFO L273 TraceCheckUtils]: 5: Hoare triple {41#(= main_~s~0 (_ bv0 32))} assume true; {41#(= main_~s~0 (_ bv0 32))} is VALID [2018-11-18 22:40:04,989 INFO L273 TraceCheckUtils]: 6: Hoare triple {41#(= main_~s~0 (_ bv0 32))} assume !!(0bv32 != #t~nondet0);havoc #t~nondet0; {41#(= main_~s~0 (_ bv0 32))} is VALID [2018-11-18 22:40:04,991 INFO L273 TraceCheckUtils]: 7: Hoare triple {41#(= main_~s~0 (_ bv0 32))} assume 0bv32 != ~s~0;#t~pre1 := ~bvadd32(1bv32, ~s~0);~s~0 := ~bvadd32(1bv32, ~s~0);havoc #t~pre1; {25#false} is VALID [2018-11-18 22:40:04,991 INFO L273 TraceCheckUtils]: 8: Hoare triple {25#false} assume 0bv32 != #t~nondet2;havoc #t~nondet2; {25#false} is VALID [2018-11-18 22:40:04,991 INFO L256 TraceCheckUtils]: 9: Hoare triple {25#false} call __VERIFIER_assert((if 0bv32 == ~s~0 then 1bv32 else 0bv32)); {25#false} is VALID [2018-11-18 22:40:04,992 INFO L273 TraceCheckUtils]: 10: Hoare triple {25#false} ~cond := #in~cond; {25#false} is VALID [2018-11-18 22:40:04,992 INFO L273 TraceCheckUtils]: 11: Hoare triple {25#false} assume 0bv32 == ~cond; {25#false} is VALID [2018-11-18 22:40:04,993 INFO L273 TraceCheckUtils]: 12: Hoare triple {25#false} assume !false; {25#false} is VALID [2018-11-18 22:40:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:40:04,997 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:40:05,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:40:05,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 22:40:05,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 22:40:05,009 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:40:05,013 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-18 22:40:05,060 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:40:05,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 22:40:05,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 22:40:05,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 22:40:05,071 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2018-11-18 22:40:05,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:40:05,458 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2018-11-18 22:40:05,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 22:40:05,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 22:40:05,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:40:05,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 22:40:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2018-11-18 22:40:05,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-18 22:40:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2018-11-18 22:40:05,476 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 46 transitions. [2018-11-18 22:40:05,669 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:40:05,682 INFO L225 Difference]: With dead ends: 37 [2018-11-18 22:40:05,682 INFO L226 Difference]: Without dead ends: 16 [2018-11-18 22:40:05,686 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 22:40:05,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-18 22:40:05,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-11-18 22:40:05,755 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:40:05,756 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand 16 states. [2018-11-18 22:40:05,756 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-11-18 22:40:05,756 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-11-18 22:40:05,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:40:05,760 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-11-18 22:40:05,760 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 22:40:05,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:40:05,761 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:40:05,761 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand 16 states. [2018-11-18 22:40:05,761 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 16 states. [2018-11-18 22:40:05,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:40:05,765 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-11-18 22:40:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 22:40:05,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:40:05,766 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:40:05,766 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:40:05,766 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:40:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 22:40:05,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-11-18 22:40:05,770 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 13 [2018-11-18 22:40:05,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:40:05,771 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-11-18 22:40:05,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 22:40:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-18 22:40:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 22:40:05,772 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 22:40:05,772 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 22:40:05,772 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 22:40:05,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 22:40:05,773 INFO L82 PathProgramCache]: Analyzing trace with hash -2008970645, now seen corresponding path program 1 times [2018-11-18 22:40:05,773 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 22:40:05,773 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 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 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 22:40:05,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 22:40:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:40:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 22:40:05,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 22:40:06,020 INFO L256 TraceCheckUtils]: 0: Hoare triple {167#true} call ULTIMATE.init(); {167#true} is VALID [2018-11-18 22:40:06,020 INFO L273 TraceCheckUtils]: 1: Hoare triple {167#true} assume true; {167#true} is VALID [2018-11-18 22:40:06,020 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {167#true} {167#true} #45#return; {167#true} is VALID [2018-11-18 22:40:06,021 INFO L256 TraceCheckUtils]: 3: Hoare triple {167#true} call #t~ret3 := main(); {167#true} is VALID [2018-11-18 22:40:06,022 INFO L273 TraceCheckUtils]: 4: Hoare triple {167#true} ~s~0 := 0bv32; {184#(= main_~s~0 (_ bv0 32))} is VALID [2018-11-18 22:40:06,023 INFO L273 TraceCheckUtils]: 5: Hoare triple {184#(= main_~s~0 (_ bv0 32))} assume true; {184#(= main_~s~0 (_ bv0 32))} is VALID [2018-11-18 22:40:06,024 INFO L273 TraceCheckUtils]: 6: Hoare triple {184#(= main_~s~0 (_ bv0 32))} assume !!(0bv32 != #t~nondet0);havoc #t~nondet0; {184#(= main_~s~0 (_ bv0 32))} is VALID [2018-11-18 22:40:06,027 INFO L273 TraceCheckUtils]: 7: Hoare triple {184#(= main_~s~0 (_ bv0 32))} assume !(0bv32 != ~s~0); {184#(= main_~s~0 (_ bv0 32))} is VALID [2018-11-18 22:40:06,028 INFO L273 TraceCheckUtils]: 8: Hoare triple {184#(= main_~s~0 (_ bv0 32))} assume 0bv32 != #t~nondet2;havoc #t~nondet2; {184#(= main_~s~0 (_ bv0 32))} is VALID [2018-11-18 22:40:06,036 INFO L256 TraceCheckUtils]: 9: Hoare triple {184#(= main_~s~0 (_ bv0 32))} call __VERIFIER_assert((if 0bv32 == ~s~0 then 1bv32 else 0bv32)); {200#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:40:06,039 INFO L273 TraceCheckUtils]: 10: Hoare triple {200#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {204#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-18 22:40:06,040 INFO L273 TraceCheckUtils]: 11: Hoare triple {204#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {168#false} is VALID [2018-11-18 22:40:06,040 INFO L273 TraceCheckUtils]: 12: Hoare triple {168#false} assume !false; {168#false} is VALID [2018-11-18 22:40:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 22:40:06,042 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 22:40:06,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 22:40:06,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 22:40:06,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-18 22:40:06,047 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-18 22:40:06,047 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-18 22:40:06,082 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:40:06,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 22:40:06,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 22:40:06,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 22:40:06,083 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 5 states. [2018-11-18 22:40:06,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:40:06,252 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2018-11-18 22:40:06,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 22:40:06,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-18 22:40:06,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 22:40:06,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:40:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2018-11-18 22:40:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 22:40:06,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2018-11-18 22:40:06,258 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 17 transitions. [2018-11-18 22:40:06,430 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-18 22:40:06,430 INFO L225 Difference]: With dead ends: 16 [2018-11-18 22:40:06,430 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 22:40:06,431 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 22:40:06,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 22:40:06,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 22:40:06,432 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-18 22:40:06,432 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-18 22:40:06,433 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-18 22:40:06,433 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-18 22:40:06,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:40:06,433 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 22:40:06,434 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 22:40:06,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:40:06,435 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:40:06,435 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-18 22:40:06,435 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-18 22:40:06,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 22:40:06,436 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 22:40:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 22:40:06,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:40:06,436 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-18 22:40:06,436 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-18 22:40:06,437 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-18 22:40:06,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 22:40:06,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 22:40:06,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2018-11-18 22:40:06,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 22:40:06,438 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 22:40:06,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 22:40:06,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 22:40:06,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 22:40:06,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 22:40:06,659 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 22:40:06,660 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 22:40:06,660 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 22:40:06,660 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 22:40:06,660 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 22:40:06,660 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 22:40:06,660 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 9 20) no Hoare annotation was computed. [2018-11-18 22:40:06,661 INFO L421 ceAbstractionStarter]: At program point L15(lines 11 18) the Hoare annotation is: (= main_~s~0 (_ bv0 32)) [2018-11-18 22:40:06,661 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 9 20) no Hoare annotation was computed. [2018-11-18 22:40:06,661 INFO L425 ceAbstractionStarter]: For program point L11-1(lines 11 18) no Hoare annotation was computed. [2018-11-18 22:40:06,661 INFO L425 ceAbstractionStarter]: For program point L11-3(lines 11 18) no Hoare annotation was computed. [2018-11-18 22:40:06,661 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 9 20) the Hoare annotation is: true [2018-11-18 22:40:06,661 INFO L421 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (= main_~s~0 (_ bv0 32)) [2018-11-18 22:40:06,661 INFO L425 ceAbstractionStarter]: For program point L12(lines 12 14) no Hoare annotation was computed. [2018-11-18 22:40:06,661 INFO L425 ceAbstractionStarter]: For program point L12-2(lines 11 18) no Hoare annotation was computed. [2018-11-18 22:40:06,662 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-18 22:40:06,662 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-18 22:40:06,662 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-18 22:40:06,662 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-18 22:40:06,662 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-18 22:40:06,662 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-18 22:40:06,664 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 22:40:06,665 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 22:40:06,665 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-18 22:40:06,665 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 22:40:06,665 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2018-11-18 22:40:06,665 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2018-11-18 22:40:06,666 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 22:40:06,666 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2018-11-18 22:40:06,666 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-18 22:40:06,666 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2018-11-18 22:40:06,666 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2018-11-18 22:40:06,666 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2018-11-18 22:40:06,666 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-18 22:40:06,666 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-18 22:40:06,666 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2018-11-18 22:40:06,667 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2018-11-18 22:40:06,667 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2018-11-18 22:40:06,667 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-18 22:40:06,667 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-18 22:40:06,668 WARN L170 areAnnotationChecker]: L12-2 has no Hoare annotation [2018-11-18 22:40:06,668 WARN L170 areAnnotationChecker]: L12-2 has no Hoare annotation [2018-11-18 22:40:06,668 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-18 22:40:06,668 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. [2018-11-18 22:40:06,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:40:06 BoogieIcfgContainer [2018-11-18 22:40:06,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 22:40:06,677 INFO L168 Benchmark]: Toolchain (without parser) took 2973.17 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.2 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -660.4 MB). Peak memory consumption was 56.8 MB. Max. memory is 7.1 GB. [2018-11-18 22:40:06,679 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-11-18 22:40:06,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.86 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. [2018-11-18 22:40:06,681 INFO L168 Benchmark]: Boogie Preprocessor took 50.94 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. [2018-11-18 22:40:06,681 INFO L168 Benchmark]: RCFGBuilder took 568.18 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2018-11-18 22:40:06,682 INFO L168 Benchmark]: TraceAbstraction took 1991.21 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 96.5 MB). Peak memory consumption was 96.5 MB. Max. memory is 7.1 GB. [2018-11-18 22:40:06,687 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 0.26 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 357.86 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 50.94 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 568.18 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 717.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1991.21 ms. Allocated memory is still 2.2 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 96.5 MB). Peak memory consumption was 96.5 MB. 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 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: s == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 32 SDtfs, 12 SDslu, 37 SDs, 0 SdLazy, 11 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 11 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 SizeOfPredicates, 2 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...